Civil Wars Wet Plate Collodion Photography

The wet plate collodion process was a manner of taking photographs which used panes of glass, coated with a chemical solution, as the negative. It was the method of photography in use at the time of the Civil War, and it was a fairly complicated procedure. The wet plate method was invented by Frederick Scott Archer, an amateur photographer in Britain, in 1851. Frustrated by the difficult photography technology of the time, a method known as calotype, Scott Archer sought to develop a simplified process for preparing a photographic negative. His discovery was the wet plate method, which was generally known as the â€Å"collodion process.† The word collodion refers to the syrupy chemical mixture which was used to coat the glass plate. Numerous Steps Were Required The wet plate process required considerable skill. The required steps: A glass sheet was coated with chemicals, known as collodion.The coated plate was immersed in a bath of silver nitrate, which made it sensitive to light.The wet glass, which would be the negative used in the camera, was then placed in a light-proof box.The negative, in its special light-proof holder, would be placed inside the camera.A panel in the light-proof holder, known as the dark slide, along with the lens cap of the camera, would be removed for several seconds, thereby taking the photograph.The â€Å"dark slide† of the light-proof box was replaced, sealing the negative up in darkness again.The glass negative was then taken to the darkroom and developed in chemicals and â€Å"fixed,† making the negative image on it permanent. (For a photographer working in the field during the Civil War, the darkroom would be an improvised space in a horse-drawn wagon.)The negative could be coated with a varnish to ensure the permanence of the image.Prints would later be generated from the glass negative. The Wet Plate Collodion Process Had Serious Drawbacks The steps involved in the wet plate process, and the considerable skill required, imposed obvious limitations. Photographs taken with the wet plate process, from the 1850s through the late 1800s, were almost always taken by professional photographers in a studio setting. Even photographs taken in the field during the Civil War, or later during expeditions to the West, required the photographer to travel with a wagon full of equipment. Perhaps the first war photographer was a British artist, Roger Fenton, who managed to transport cumbersome photographic equipment to the battlefront of the Crimean War. Fenton had mastered the wet plate method of photography soon after it became available and put it into practice shooting landscapes of the British midlands. Fenton took a trip to Russia in 1852 and took photographs. His travels proved that the latest photographic method could be utilized outside of a studio. However, traveling with the equipment and the necessary chemicals to develop the images would present a formidable challenge. Traveling to the Crimean War with his photographic wagon was difficult, yet Fenton managed to shoot impressive photographs. His images, while praised by art critics upon his return to England, were a commercial failure. Roger Fentons photographic van used in the Crimean War, with his assistant posing on its bench. Library of Congress While Fenton had transported his ungainly equipment to the front, he purposely avoided photographing the ravages of war. He would have had many opportunities  to depict wounded or dead soldiers. But he probably assumed his intended  audience in Britain did not want to see such things. He sought to portray a more glorious side of the conflict, and tended to photograph officers in their dress uniforms. In fairness to Fenton, the wet plate process made it impossible to photograph action on the battlefield. The process allowed for a shorter exposure time than previous photographic methods, yet it still required the shutter to be open for several seconds. For that reason there could not be any action photography with wet plate photography, as any action would blur. There are no combat photographs from the Civil War, as people in the photographs had to hold a pose for the length of the exposure. And for photographers working in battlefield or camp conditions, there were great obstacles. It was difficult to travel with the chemicals required for preparing and developing the negatives. And the glass panes used as negatives were fragile and carrying them in horse-drawn wagons presented a whole set of difficulties. Generally speaking, a photographer working in the field, such as Alexander Gardner when he shot the carnage at Antietam, would have an assistant along who mixed the chemicals. While the assistant was in the wagon preparing the glass plate, the photographer could set up the camera on its heavy tripod and compose the shot. Even with an assistant helping, each photograph taken during the Civil War would have required about ten minutes of preparation and developing. And once a photograph was taken and the negative was fixed, there was always a problem of a negative cracking. A famous photograph of Abraham Lincoln by Alexander Gardner shows damage from a crack in the glass negative, and other photographs of the same period show similar flaws. By the 1880s a dry negative method began to be available to photographers. Those negatives could be purchased ready to be used, and did not require the complicated process of preparing the collodion as required in the wet plate process.

Immanuel Kant And John Stuart Mill - 948 Words

What would you do if given the opportunity to take one unwilling person’s life to save five other people’s lives? Would you do it? Immanuel Kant and John Stuart Mill would give you strongly contrasting opinions. A person should not kill another to benefit five others. It would be a wrong thing to do, but Mill would disagree. Kant believed that good intentions count and that the morality of an action is determined by the intentions behind it rather than its consequences. Kant says that the consequences are irrelevant to assessments of moral worth, which contrasts sharply with Mill’s utilitarianism. Kant believed that the only appropriate motive for an action is a sense of duty. A person should only do something solely because it is the right thing to do, no other motive is just. He also thought that acting purely out of inclinations was not moral at all. Kant defined a maxim to be the underlying principles motivating an action which determines its moral worth, not the end result. Kant developed the categorical imperative which is based on his belief that morality is derived from rationality. Our book tells us that the categorical imperative is an absolute moral law to be upheld regardless of circumstances. He was a deontologist, meaning that he believed that moral judgement is contained in the action alone. His categorical imperative is broken down into three maxims. The first maxim is universality; which means that for an action to be moral in your circumstances, it mustShow MoreRelatedImmanuel Kant And John Stuart Mill1261 Words   |  6 Pagesintentions/character that insp ire the action, or the consequences that result from the action?† Second, the philosophers I am going to discuss throughout this paper are Immanuel Kant and John Stuart Mill. Now before I tell you my answer to this question I am going to explain these who these two philosophers are and what their viewpoints on ethics are. Immanuel Kant was born in what is now Germany in 1724 and died in 1804 and was the type of philosopher to act out of duty. He believes that actions should be performedRead MoreImmanuel Kant And John Stuart Mill Essay2002 Words   |  9 Pagesmost widely known ethical philosophers are Immanuel Kant and John Stuart Mill. While they may have philosophized around the same time period, the philosophers have very different ideas about ethics and happiness. Immanuel Kant, author of Duty and Reason, believed in the morality of the good will and duty. He espoused that happiness is an irrelevancy insofar as fulfilling duty is the most important aspect of leading a moral life. Conversely, John Stuart Mill, who wrote, The Greatest Happiness PrincipleRead MoreJohn Stuart Mill And Immanuel Kant1387 Words   |  6 Pagesdifferent philosophers. Two of these philosophers are John Stuart Mill and Immanuel Kant. Mill, in Utilitarianism defines happiness as pleasure without pain. He builds upon this idea of happiness when establishing his moral philosophy, stating that the action that would bring about the maximum amount of happiness is the most moral action. On the other hand, Kant establishes happiness as well-being and a satisfaction with one’s condition. Kant, however, argues that happiness is too fully based uponRead MoreImmanuel Kant And John Stuart Mill1206 Words   |  5 Pagesof morality, there is no right answer to dilemmas only different opinions. Immanuel Kant and John Stuart Mill are philosophers with two different views on a person’s moral conscious. Kant believes morality is a duty that people should hold above their own happiness. On the other hand, Mill believes happiness is the goal of morality and the more happiness is acquired at the end is the most moral. According to Immanuel Kant, morality is a duty people must hold above their own happiness. For somethingRead MoreJohn Stuart Mill And Immanuel Kant1786 Words   |  8 PagesJohn Stuart Mill and Immanuel Kant. They both had very different views when it came to the ethics of philosophy. They also though had some of the same views as each other. Both were concerned with the moral qualities of actions and choices of a person, but neither of them was much interested in about what makes a good person. They also different views and some of the same views when it came to lying. One thought it should never be done. The other thought it should be used as a last resort. FirstRead MoreJohn Stuart Mill And Immanuel Kant Essay1805 Words   |  8 Pagesphilosophers, Kant and Mill, to determine whether or not torture is ever ethical. John Stuart Mill and Immanuel Kant, both proposed different philosophies, using deontological and teleological theories in ethics. John Stuart Mill used a teleological theory, which prioritized the end result of an action, based off the moral nature of the action itself, compared to the deontological theory proposed by Kant, which presented actions as obligations of an individual, leading them to act in a certain way. Mill usedRead MoreImmanuel Kant And John Stuart Mill998 Words   |  4 PagesTwo knowledgeable men, one says go right, the other, left. Who is right? Immanuel Kant and John Stuart Mill were both noted philosophers with opposing theories on what is moral. Each uphold different ways of observing what is right. The theory of utilitarianism held by Mill and universalism held by Kant has similarities and diffe rences. Who stands correct, and who is mistaken? Utilitarianism is the belief that decisions should be made based on how much pleasure they bring (MacKinnon and FialaRead MoreImmanuel Kant And John Stuart Mill2050 Words   |  9 Pagesstraight forward as proposed by Immanuel Kant and John Stuart Mill in The Groundswork and Utilitarianism respectively. Kant, in The Groundswork, and Mill, in Utilitarianism, come to different conclusions about what is intrinsically good, yet neither of them come to a valid explanation for the following reasons; Kant produces a narrow view focused entirely on having a good will, acting only based off of duties, and ignoring the outcomes of your actions, while Mill calculates intrinsic value basedRead MoreJohn Stuart Mill vs. Immanuel Kant2163 Words   |  9 PagesJohn Stuart Mill vs. Immanuel Kant The aim of this paper is to clearly depict how John Stuart Mill’s belief to do good for all is more appropriate for our society than Immanuel Kant’s principle that it is better to do whats morally just. I will explain why Mill’s theory served as a better guide to moral behavior and differentiate between the rights and responsibilities of human beings to themselves and society. Immanuel Kant and John Stuart Mill are philosophers who addressed the issues of moralityRead MoreA Study Of Ethics By Immanuel Kant And John Stuart Mill992 Words   |  4 Pagesaround ethics. The court released Lavallee as innocent on the basis that she is medically ill with Battered Woman Syndrome (BWS). The two most renowned ethicists, Immanuel Kant and John Stuart Mill would view this case differently. Kantianism is associated solely with Immanuel Kant. In comparison, John Stuart Mill, an opponent of Immanuel Kant’s ideas, uses a utilitarian approach. This essay will briefly give an overview of the case and the BWS. Then, it will show how both theories view the case.

Freud and Erikson Free Essays

This first paper is going to be about a case study on a 7 year old kid named Gary. Gary is wheelchair bound and has Muscular Dystrophy and has been home-schooled until now. He seemed to be doing fine in school, but he has been crying after school and not wanting to go monday mornings. We will write a custom essay sample on Freud and Erikson or any similar topic only for you Order Now We have to try and figure out why Gary is feeling this way. I will be using and comparing Erikson’s Psychological Theory and Maslows Hierarchy of Needs to analyze why the case study subject might be acting this way. Erikson’s Psychological Theory is based around Freuds’s Stages of Development, but with further stages and not always based around sex and aggression like Freud uses. Erikson’s Theory contains eight stages: Trust v. mistrust (birth to two years of age), autonomy v. shame/ doubt (two to four years), initiative v. guilt (four to six years), industry v. inferiority/ diffusion (six to twelve years), identity v. identity confusion (adolescence), intimacy v. isolation (young adulthood), generatively v. tagnation (middle adulthood), and ego integrity v. despair (late adulthood to death). The first four stages match up pretty well with Freud’s Theory’s stages, with an additional four stages about adulthood at the end. Two big things about Erikson’s Theory is that success builds on previous stages and that failure is cumulative (Morrison, lecture, 2011). I can apply Erikson’s Theory to the case study with Gary in a couple of ways. The first observation I can make is that Gary is his wetting the bed problem. If he hasn’t done it in years, why is he doing it now? Gary has probably failed to succeed in the autonomy v. shame stage of development. It doesn’t say how long Gary has been in a wheelchair, but my guess is quite awhile. Even if it was after his toilet training years, he had to re-learn how to go by himself when he was given a wheelchair. This might have gone smoothly when he was at home with the help of his loving and supportive parents, but he probably doesn’t trust in teachers or aids to help him if he needs it. He feels ashamed of himself for not being able to go flawlessly like at home, and these feelings of shame are causing other problems in school also. This GREATLY affects his self esteem levels and disturbs the rest of his school life. Another angle of looking at Gary’s problems is he isn’t succeeding in the industry v. inferiority stage. This stage is about learning in school and communicating and is a very social stage (Morrison, lecture, 2011). SInce Gary is in a wheelchair, he can’t participate in regular activities in P.  E. classes. He has to have adaptive P. E. based on him not being able to walk. Watching the other kids playing on the basketball courts and playing football and stuff leaves him feeling left out. He isn’t building skills for a teamwork mentality like everybody else. He feels left out of the fun and probably puts himself lower than the rest of his peers. This would greatly hurt his self-esteem and competence. This could be an explanation for him crying after school and just not wanting to go Sunday nights. Although Erikson’s Psychological Theory can explain Gary’s problems in terms of missed of problems in developmental stages, Maslow can explain them more generically with his Hierarchy of Needs. Maslow’s Hierarchy of needs has five stages, starting with the most primitive working towards more finite: biological and physiological needs (food, water, shelter, warmth), safety needs (protection and security), belonging and love needs (family, affection, relationships), esteem needs (achievement, status, responsibility), and self- actualization (personal growth) (Morrison, lecture, 2011). Using Maslow’s hierarchy of needs, I can analyze Gary and determine that it seems as if Gary isn’t fulfilling his esteem needs. He seems to have a low self esteem and a low sense of accomplishment. This is probably because he can’t do the same P. E. activities as the rest of the kids. Just being around a lot of kids that can walk and do things he can’t is probably the main reason for his sadness and not wanting to go to school. When he was at home all day, he had his parents to comfort him if he ever had questions about other kids. His parents might have actually over protected him, as in Gary wasn’t prepared to go to public school because his parents sheltered him from the truth of the real world and wasn’t ready for it. Since Gary is having trouble with his esteem needs, he cannot feel accomplished and move on to his self- actualization needs. He can’t grow as a person until the lower level needs are met. There are a lot of theories that people can use when analyzing peoples’ problems. But looking at Gary’s problems, Erikson’s Psychological Theory and Maslow’s Hierarchy of Needs were the ones I felt like could explain why Gary is having problems the best. Not every theory is applicable to every situation. These two theories made sense to me and I believe explained his problems the best out of all of the theories we have looked at in class. Between the two I used, I believe Erikson’s Psychological Theory explains it better than Maslow’s Hierarchy of Needs, but they both have some good points in this case study. How to cite Freud and Erikson, Essay examples

Responsible Leadership for Cognizant Technology - myassignmenthelp

Question: Discuss about theResponsible Leadership for Cognizant Technology Solutions. Answer: Leader defines a person who guides or leads other people to a specific direction to a specific place. Leader is someone acts as a pioneer to the others as the leader is largely followed by a mass. A leader is who; understand the agenda of the people and according to that design the path. A leader is who is compassionate towards the people rather than domineering. Through which path a leader leads the people and the process of leading the people is termed as leadership (Antonakis 2017). The idea of leadership stands for a leader who helps the others to do the right things or helps the people to recognize the right things. The leadership deals with the idea of directing and inspiring people to create more, leadership build vision for something bigger that the usual. The leadership varies from person to person and organization to organization. The leadership depends on the policy of the organization, as a responsible leadership always looks after the company policies besides employees g oals. This essay deals with a particular organization named Cognizant Technology Solutions. Cognizant is an American IT company, functioning in the market since 1996. The company provides services like information technology, ITO, BPO, information security and consulting. The company depends on the global delivery model and runs from across the globe with around 255,800 employees. The position of a programmer analyst of the IT Company like Cognizant Technology deals with the responsibility like, working with the customers related to liberty mutual insurance and Centrica plc. The key responsibilities are to support the clients in developmental needs (Daft 2014). The programmer analyst performs multiple analyses to provide best solution to the clients. Apart from the external works a programmer analyst serves the internal project works related to internal transport request management. The programmer analyst monitoring the entire team object status, analyze it and fixes the gaps if appears. The additional responsibility comes when the company recruit new employees as the programmer analyst also act as a trainer to the new team members and single handedly controls the ABAP portion of the support team. There are several challenges that are faced by a programmer analyst. The basic problem that a programmer analyst faces that, in understanding the requirements of the user. It happens as the thinking style of the programmer analyst differs from the users. The programmer analyst think in one way but the users think in completely different way hence the contradiction occurs in the field of work (Doh and Quigley 2014). The consequence is the service which are to provided to provide to the clients cannot fulfill the client`s need. Time is another factor that affects the work of the programmer analyst. The project an analyst is working on has to be submitted within allocated time. Technology is something, which is entitled to change every day. To cope up with the new technology a programmer analyst has to have a keen interest in learning new things about the changes in technologies. The programmer analyst has to keep the pace with the change. The ramification can be attending the libraries through which an idea of task can be achieved, attending the training which is organized in regular interval about the news tools, patterns, frameworks, new techniques are taught. The communication challenge that is faced by a programmer analyst is during the project completion. The misunderstanding occurs when dealing with the projects. This communication challenge impedes the flow of thoughts between clients and the programmer analyst. The communication is something, which impedes the analyst to understand the demands of the users. The communication problems can prohibit the analyst when he or she acts as a trainer to the new team member. Without proper communication a trainer cannot explains the details of the works and about the objectives of the organization (Fairhurst and Connaughton 2014). A trainer is the one who describes the job role the trainees and explains the career growth within the organization. The primary role of a trainer is to outline the aim of the new trainers and make them understand the basic responsibility towards the organization. Theses all cannot be performed without a smooth communication skill. The leadership theory evolved since ancient era. In Sanskrit literature, ten types of leaders are found. On the other hand, Aristotle postulated about the monarchy in the society. Leadership theory largely depends on the individual and the organization as well. The Leadership theory encompasses Great Man Theory, Trait Theory, Behavioral Theory, Contingency Theory, Transactional Theory and Transformational Theory. The Great Man theory believes that a person who is entitled to be a leader is born with the leadership quality. Trait Theory also believes that leadership quality comes with the birth of a human being (Northouse 2015). To become a good leader the leadership quality has to be present in the instinct of that particular person. The Behavioral Theory came up with factors related to human psychology. The theory deals with cause and effect of the human behavior, hence the leadership varies depending on the human behavior. On the contrary, Contingency Theory leadership is proportio nal to certain situations. The Transactional theory evolved in the middle of the 20th century where it is said that, leaders assign task to the followers and set organizational goals to them and for that the leader prepare a suitable environment. In this theory the leader rewards or punish according the nature of fulfillment of the tasks. The Transformational Leadership Theory deeply believes in relationship and trust, which is built through interactions. The organizational leadership based on above six leadership theories. The programmer analyst of Cognizant Technology has effect of Behavioral Leadership theory. Like the theory the analyst has to play two types f leadership role, one is task oriented leadership role and another is people oriented leadership role. The task-oriented leader has one concern related to task. The pivotal task of the programmer analyst is to provide the customers with adequate service and support. The behavior of the leaders has to be very structured, which will not affect the work process. The behavior has to be very organized or the analyst will not be able to complete a task in the given time. The programmer analyst has to have a interest in order to gather information to perform a task. In four words, the leader has to be initiating, organizing, clarifying and information gathering. In case of understanding a task, a proper clarification is essential behavior to a leader. On the other hand, the same lea der has to play people oriented leader role to satisfy the need of the people. The basic characteristics of the people oriented leader are encouraging, observing, listening, coaching and mentoring (Martins et al. 2016). The leader has to be patience enough to understand the user`s need. In cognizant the same analyst has play a role of trainers and a monitor while comes to internal project. In order to monitor and manage the internal project a leader has to be encouraging towards the team members of the project to get the project done accurately. Encouragement helps to escalate the team spirit, reduce the boredom of the task and make the employees productive. A good and wise leader has to be patient towards listening towards the subordinates or else the leader will not be able to solve the problem of the employees. It may happen that employee is facing any difficulty regarding professional arena. The duty of a responsible leader is to listen to the employees so that difficulties can be overcome which will be beneficial to the organization. While the programmer analyst performs the role of a trainer, the leader has to be observant towards the every trainee. The leader need take the note of whether any one is facing difficulties or not and whether anyone is causing any difficulty in the organization. The vital tasks of the trainer come with coaching and mentoring. The trainer is the one who describes the job role the trainees and explains the career growth within the organization (Stone-Johnson 2014). The primary role of a trainer is to outline the aim of the new trainers and make them understand the basic responsibility towards the organization. The trainer coaches the trainees how the task is done in the organization and teaches them how the communication barriers are overcome. The twist and turn of the work procedures and the organizational policy should be explained to the trainees. The do`s and dont of the organization should be cleared out to the trainees d uring the training period. A responsible leader should aware the trainees about the possible measures that the organization take if any fault happens. The monitoring of a team comes with great responsibility. To monitor a team or a project the leader has to be wise and compassionate along with strictly discipline. It is obvious that, leader only can lead others if he or she does believe the organization and a religious follower of the rules and regulation of the particular organization. The leader has to be disciplined enough to direct others to the right path. In both of the cases, coaching and monitoring, the leader has to be wise or else he or she will overlook the flaws of the work. Not only are the flaws the new trainees always needy for help. With the proper help and proper guidance the required work cannot be achieved by the organization. It is a duty of a responsible leader to shape efficient employees during training period. In Cognizant Technologies the Transactional Leadership model is mostly followed. The Transactional Leadership says the subordinates are bound to follow the way, which was shown by the leader. The subordinates are accountable for their works (McCleskey 2014). They are rewarded when they perform well and they are punished when they fail to perform well. The focus of the leadership revolves around management, supervision, organization and performance. In Cognizant, being multinational company benefits are given by the level of performances. Promotions depend on the performance levels and besides that, punishments are given with degradation of the performance level. In this leadership model, the leader is the one who set the goal on behalf of the employee. This leadership is effective during the crisis of any organization. The strengths of the leadership are, Communication, through which work is smoothen both cases of external and internal. Structure is strength, as the effective leadership shapes organizational structure. The leadership takes care of the systems and the administrative part of any organization. Planning and implementation of the plan is the one of the strengths. The whole planning of the system and the implementation of the rules are largely depending on the leadership (Chhokar, Brodbeck and House 2013). The power of assessment and analysis of a task or situation or any employee`s behavior is done by a wise leader which is considered as a strength of the leadership. Listening to the clients as well as the employees can bring change or mitigate any crisis in an organization. Fixing the gap within the organization and decision making fall under the strength of the leadership (Salacuse 2017). The most challenging thing is often faced by the leader is time. Time can improve or sabotage any situation. To understand the right time before taking any action is essential to every leader. The leader should be the one who actually believe the organizational culture. He or she must have a clear idea about the rules and regulation of the organization. The leader has to have a clear idea about the work. The leader has to loyal towards the organization. In order to become a responsible leader first the person has to be a good performer. Without having a proper knowledge about the particular work how he or she would guide others. The leader has to have a clear knowledge about the work and the leader has to have a interest in learning new things. To play a role a responsible leader one has to keep him always updated with the up gradation of new technology (Breevaart et al. 2014). As Cognizant is an IT company, hence the company every day experiences the new changes of technology. Without keeping the pace of the changing technologies, a leader cannot become responsible towards his or her work and to the organization. In terms of monitoring the project a leader has to work as a team. A responsible leader should be respectful towards the teammates and supportive as well. This should the motto of responsible leadership. The leader should not hurt any employee in order to get a task done. Being bossy or domineering in nature is not the example of responsible leadership. The leadership is something, which makes everyone realize that everyone is part of the organization, and the organization is run by the group of people hence, everyone is equally important. The excessive projection of authoritativeness will drive away the employees from the organization. The effective leader has to be professional and compassionate towards the employees. The objective of the responsible leadership is to boost up the morale of the of the employees towards the organization. A responsible leader has to be motivational and encourage the employees, which help them become productive. A responsible leader should be good in communication or else he or she will not be able to underst and the employee requirements as well as the client requirements. The responsible leadership can be achieved through these ways. References Antonakis, J., 2017.The nature of leadership. Sage publications. Breevaart, K., Bakker, A., Hetland, J., Demerouti, E., Olsen, O.K. and Espevik, R., 2014. Daily transactional and transformational leadership and daily employee engagement.Journal of occupational and organizational psychology,87(1), pp.138-157. Chhokar, J.S., Brodbeck, F.C. and House, R.J. eds., 2013.Culture and leadership across the world: The GLOBE book of in-depth studies of 25 societies. Routledge. Daft, R.L., 2014.The leadership experience. Cengage Learning. Doh, J.P. and Quigley, N.R., 2014. Responsible leadership and stakeholder management: Influence pathways and organizational outcomes.The Academy of Management Perspectives,28(3), pp.255-274. Fairhurst, G.T. and Connaughton, S.L., 2014. Leadership: A communicative perspective.Leadership,10(1), pp.7-35. Martins, L.P., Four-Babb, D., Lazzarin, M.D.L. and Pawlik, J., 2016. [Ir] responsible leadership: addressing management and leadership curricula biases. McCleskey, J.A., 2014. Situational, transformational, and transactional leadership and leadership development.Journal of Business Studies Quarterly,5(4), p.117. Northouse, P.G., 2015.Leadership: Theory and practice. Sage publications. Northouse, P.G., 2015.Leadership: Theory and practice. Sage publications. Salacuse, J.W., 2017. Challenges to Leadership. InReal Leaders Negotiate!(pp. 203-213). Palgrave Macmillan, New York. Siegel, D.S., 2014. Responsible leadership.The Academy of Management Perspectives,28(3), pp.221-223. Stone-Johnson, C., 2014. Responsible leadership.Educational Administration Quarterly,50(4), pp.645-674. Tyssen, A.K., Wald, A. and Spieth, P., 2014. The challenge of transactional and transformational leadership in projects.International Journal of Project Management,32(3), pp.365-375. Waddock, S., 2014. Wisdom and responsible leadership: Aesthetic sensibility, moral imagination, and systems thinking. InAesthetics and business ethics(pp. 129-147). Springer Netherlands.

Percy Jackson the Olympians The Lightning Thief Review Essay Example

Percy Jackson the Olympians: The Lightning Thief Review Paper Essay on Percy Jackson the Olympians: The Lightning Thief Oh, okay)) Of course, there is no direct matches, but everything is the same with Potter that potterianoy just smells)) Age heroes. The composition of the characters two boys and a girl, and the girl is responsible for the judgment on the team. Super-duper great power, of which the main character did not even guess at him all the time strange things happen. Again the strange things that happened to him))) Training in an institution designed for the characters. Settling on houses, in Potter was on the faculty. Only Potter training description is much more interesting, richer and more thoughtful than here. Daughter of Ares, whats-her-name-it, functions as Draco Malfoy. Great villain, who was considered almost destroyed, threatening the world, but no one, except for the main character, of course, does not realize the danger. A feeling that with each new book Kronos will get stronger, to hunt for Percy, but the gods did not attend to the adoption of precautionary measures before it is t oo late. And Kronos win, certainly not Zeus and Poseidon, and our darling Percy))) Plus the little things such as the domestication of large dogs in Potter music here the ball. And in general, if I understand, Potter more interesting by the fact that there is self-imagination of the author, and here is actually ancient Greek myths in a new way uninteresting, unoriginal, for the second! Just carried them into the present and all! No rethinking its nothing! They will be interesting only to those who are not familiar with the myths: Then, of course, a way to victory over the Gorgon will be exciting, and a gold chain of Hephaestus in the park in a novelty. But it is unlikely to contribute to the normal absorption of myth after all they need to know chronologically and not mixed, as we Riordan delivers them. The second time, read how it is doing a minor hero I was not interested, uncomfortable and even a little ashamed that I Percy Jackson the Olympians The Lightning Thief Review Essay Example Percy Jackson the Olympians: The Lightning Thief Review Paper Essay on Percy Jackson the Olympians: The Lightning Thief Oh, okay)) Of course, there is no direct matches, but everything is the same with Potter that potterianoy just smells)) Age Structure heroes heroes two boys and a girl, and the girl is responsible for the judgment on the team. Super-duper great power, of which the main character did not even guess at him all the time strange things happen. Again the strange things that happened to him))) Training in an institution designed for the characters. Settling on houses, in Potter was on the faculty. Only Potter training description is much more interesting, richer and more thoughtful than here. Daughter of Ares, whats-her-name-it, functions as Draco Malfoy. Great villain, who was considered almost destroyed, threatening the world, but no one, except for the main character, of course, does not realize the danger. A feeling that with each new book Kronos will get stronger, to hunt for Percy, but the gods did not attend to the adoption of precautionary measures before it is too late. And Krono s win, certainly not Zeus and Poseidon, and our darling Percy))) Plus the little things such as the domestication of large dogs in Potter music here the ball. And in general, if I understand, Potter more interesting by the fact that there is self-imagination of the author, and here is actually ancient Greek myths in a new way uninteresting, unoriginal, for the second! Just carried them into the present and all! No rethinking its nothing! They will be interesting only to those who are not familiar with the myths: Then, of course, a way to victory over the Gorgon will be exciting, and a gold chain of Hephaestus in the park in a novelty. But it is unlikely to contribute to the normal absorption of myth after all they need to know chronologically and not mixed, as we Riordan delivers them. Second time to read how it is doing a minor hero I was not interested, uncomfortable and even a little ashamed that I Percy Jackson the Olympians The Lightning Thief Review Essay Example Percy Jackson the Olympians: The Lightning Thief Review Paper Essay on Percy Jackson the Olympians: The Lightning Thief If thats so, prideratsya to detail we can safely say, that since antiquity have not written anything new. About the age of heroes. Really now anyone but Rowling is not allowed to write the book, where the protagonists are children of school age? (Ive also Pryderi, Percy Jackson is a year older than Harry =)) Composition of heroes. A boy, a girl and being))) And by the way, starting with the second book, new protagonists, in the third the same way. That is to say that this trio did not. Education in a special institution intended for the characters, Well this is not a school and summer camp. Lessons exams and teachers there, as there were none, except that the exercise, something like military training. The main characters and all the basic steps described in the book took place outside the camp, as well as in subsequent books. Resettlement of House, well, then I agree but on the other and is difficult to imagine that children of different gods lived together. Only in the training de scription Potter is much more interesting, richer and more thoughtful than here. Actually as mentioned above, there was no teaching, but only dangerous adventure in the country about the daughter of Ares, uh would not say they are well ripe with Percy in the second book. It seems to me categorically that PD is garbage on a stick is not reasonable. For each book find its reader. Children need new stories, even if based on mythology. What Riordan tried to present these myths in the modern world, I think it is very interesting approach. Because read Homer as a child too early In short, let people read, and who decides. The main thing is not just to push the idea that this copier Harry Potter, because inevitably have to compare. By the way not sure, at the expense of unflinching originality Rowling books. Percy Jackson the Olympians The Lightning Thief Review Essay Example Percy Jackson the Olympians: The Lightning Thief Review Paper Essay on Percy Jackson the Olympians: The Lightning Thief If thats so, prideratsya to detail we can safely say, that since antiquity have not written anything new. About the age of heroes. Really now anyone but Rowling is not allowed to write the book, where the protagonists are children of school age? (Ive also Pryderi, Percy Jackson is a year older than Harry =)) Composition of heroes. A boy, a girl and being))) And by the way, starting with the second book, new protagonists, in the third the same way. That is to say that this trio did not. Education in a special institution intended for the characters, Well this is not a school and summer camp. Lessons exams and teachers there, as there were none, except that the exercise, something like military training. The main characters and all the basic steps described in the book took place outside the camp, as well as in subsequent books. Resettlement of House, well, then I agree but on the other and is difficult to imagine that children of different gods lived together. Only in the training de scription Potter is much more interesting, richer and more thoughtful than here. Actually as mentioned above, there was no teaching, but only dangerous adventure in the country about the daughter of Ares, uh would not say they are well ripe with Percy in the second book. It seems to me categorically that PD is garbage on a stick is not reasonable. For each book find its reader. Children need new stories, even if based on mythology. What Riordan tried to present these myths in the modern world, I think it is very interesting approach. Because read Homer as a child too early In short, let people read, and who decides. The main thing is not just to push the idea that this copier Harry Potter, because inevitably have to compare. By the way not sure, at the expense of unflinching originality Rowling books.

Three Roads to War essays

Three Roads to War essays There have been many pieces published on the causes of the First World War, and among them there lie many different opinions as to who or what was truly at fault. The purpose of this essay is to compare the views of three historians, Fritz Fischer, Gerhard Ritter and Konrad Jarausch; each took a different approach to the examination of the war guilt question and as a result also derives a different answer to it. Fischers work is rich with archival evidence, which by his analysis, confirms the guilt of the German state. Ritters work, more a rebuttal of Fischers work than a thorough diagnosis of historical documents, does not provide as much textual evidence, but his argument for the guilt of Austria-Hungary is still clearly put forth. Jarausch, whose work does not staunchly condemn or defend any one person or state, was outfitted with a new piece of evidence a diary that was kept during those crucial months by Bethmann Hollwegs aide, Kurt Riezler. The Riezler diary provided Jarausch with valuable insight into the personality of the German chancellor and it is him and his decisions that Jarausch chose to center his work around. Jarausch makes an evident attempt to remain more objective than the former two, and as such seems to come the closest of all three to documenting the emotions and reasoning behind the infamous decisions of July and August 1914. Fischer, Ritter and Jarausch all paint the same general picture of the European political atmosphere before Ferdinands assassination. Germany had developed the feeling that she was being left behind and her hopes of remaining a significant power in the future were becoming increasingly dismal. They address the sense of inevitably that was felt in regards to future armed conflict in Europe and the increasing concern over the buildup of the Russian army. Fischer also mentions the Reichstag elections which brought a large number of Social Dem...

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Rhetorical analysis - Essay Example The main theme for this speech was the need for equality and human rights that covers people from all racial backgrounds in the US. In order to achieve desired effects on the audience, King applies several rhetorical appeals pathos being among them. In the speech King employs the use of pathos which by definition is the appeal to the emotions in order to gain approval which enables him change the audience’s perceptions of race relations by convincing them not to hate each other on basis of race but to instead hate racism which will be the basis for a new, better world. During the delivery of the speech, King described the black people as being â€Å"crippled† by the â€Å"manacles of segregation† and â€Å"chains of discrimination† (Luther 1963). These words are specifically aimed at making the audience realize the situation of the black community who are in great calamity. By using the word â€Å"chains† King want the audience to realize that racial discrimination has made being black a crime. This is because innocent black people were being treated as if they had committed a crime and therefore, have to be restrained. Another instance of the use of pathos is the mention of the black people being stranded on a â€Å"lonely island of poverty† while rest of the American society were enjoying themselves in â€Å"ocean of material prosperity† (Luther 1963). This statement is meant to inform the audience that contrary to the ancient belief that the blacks were poor because they were not as clever as the whites , it was actually the white American society that was literally holding them back. Apart of the use of pathos to appeal to his audience, King also uses logos which is the use of reason by supplying the necessary data, evidence, and irrefutable facts when making an argument. King used a number of facts that were present in

Monopolies Essay Example | Topics and Well Written Essays - 500 words

Monopolies - Essay Example The demand curve of a monopolistic seller is the same as that of market demand, as the firm forms the entire industry. In the picture below (fig 1), the D represents the market demand for the product which is the same as the monopolistic seller’s demand curve. In a perfect competition, a particular seller takes up the price set by the market. Hence the demand is horizontal, in the case of this purely competitive seller. However, this line is determined by the market demand and supply curves. This difference in the demand curves of the two types of market structures is very significant. From fig. 1, it is clear that when the monopolistic seller raises the price of the product, the seller may lose some of its buyers. However, the firm will not lose its revenue. In the case of a purely competitive seller, the price is set by the market and hence any price above this will result in buyers switching to other sellers who offer the same product at the market price. All firms in any market maximise their profits when their marginal cost equals the marginal revenue (MR = MC). In the case of a purely competitive seller, the marginal revenue is the same as that of the firm’s demand curve. However, in the case of a monopoly, the marginal revenue curve falls twice as that of the firm’s demand curve (starting form the same point). Hence the marginal cost intersects the marginal curve at a very low value in the case of monopoly. Hence the monopolists maximise their profits by producing lower quantities at higher prices. The main phenomenon to be noted in the case of monopolistic demand curve is that, it is not typically purely inelastic. In the case of a purely inelastic demand, the demand for a product is not affected by the price changes at all. However in the case of a pure monopolistic seller, as said earlier, when the price is raised, the firm loses some of its buyers. The buyers generally buy a

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Adopt Intelligence Community analytic, sourcing, and evaluation standards - Essay Example The September 9/11 attacks on America served as an impetus for the inclusion of this initiative in the 100 day action plan. This is because the American intelligence system was unable to communicate effectively in piecing up clues and leads that could prove crucial in stopping the hijacking of the planes, and hence stopping the attacks1.The reason of this failure by the intelligence community emanated from inefficient mechanism put in place for sharing intelligence information collected by different security organizations. There was also a gap in the domestic intelligence community of the state, and this ignited a debate on the need and importance of changing and improving the intelligence capabilities of the nation. There was a call from various stakeholders of the country’s security system, and members of the US senate and congress on the need to reform the way security organizations of the state shared information. On this basis, the attacks of the September 11 contributed significantly to the re-organization of the American intelligence community, and the development of Initiative 2 is part of the re-organization. The main purpose of this re-organization was to reduce the gaps in collecting domestic intelligence. The Federal government did this by creating several security organizations such as the Directorate of National Intelligence, and the Department of Homeland Security. By creating these organizations, the main aim of the reforms was to improve the manner in which intelligence information was gathered, and shared amongst American security organizations2. In initiative 2, its main objective is to develop strategies that will strengthen the collection of intelligent information, analyze it, and there after disseminate information to the relevant stakeholders for action. By doing this, the Federal government hoped that it will reduce the domestic

Bipolar Disorder: Roles of neurotransmitters and signal transduction

Bipolar Disorder: Roles of neurotransmitters and signal transduction This systematic review provides a critical insight into the biochemical aetiology of bipolar disorder. It presents an overview of the findings collected from various researches which investigate the abnormalities in neurotransmitter systems and signal transduction system. The results confirm hypothesises established in earlier theories of the causes of Bipolar disorder form pharmacological investigations. However these results are correlation, culmination of these variables and others such as environmental and genetics may influence the development of bipolar disorder. Aims, Evaluation, implications and limitations of these studies are included in this review. Bipolar disorder also known as manic depressive disorder can have a negative effect on an individuals mood, relationships, and everyday life. This disorder can affect the cognitive functions and is known to impair cognitive areas such as attention, executive functions, learning, memory and psychomotor speed. Bipolar usually develops in late teens or early adulthood but can sometimes develop early on in childhood. Symptoms usually build up later on in life. The disorder can lead to poor school performance, damaged social lives and jobs. . It affects both sexes equally in all age groups and approximately 3-5% of the general population are affected (Baldessanni, 2002). Bipolar disorder is the most rigorous forms of all mental illness and is characterized by swinging moods .The clinical course of illness can vary from a mild depression to a rigorous form of mania. The condition has a high rate of recurrence and can lead to suicide if left untreated (15% of patients) this is most likely t o occur during a depressive state. Bipolar disorder is a severely debilitating brain affective disorder which has had very little extensive research conducted on; in particular the biochemistry component of the disorder has had relatively few research studies compared to genetics. Due to its high rate of suicide and reoccurrence rate it is essential to develop effective treatment to prevent the two main problems of bipolar disorder (Shastry, Burker S, 2005). The manifestations of the symptoms are often mistaken for unipolar depression (31%) and therefore misdiagnosis of bipolar often occurs (Berk et al, 2006). Research into the neuropathological aspect paves the way for more future developments in viable treatments, which should be more tolerable for patients for this affective mood disorder, this could include improving existing drug treatments. Although Bipolar is one of the oldest known mental illness it was never classified; the symptoms were described and examined throughout history and sometimes the etiologies which were established were imprudent. Mania was seen as occurring from an excess of yellow bile, or a mixture of black and yellow bile. The theory of a link between mania and depression goes back to the 2nd century AD. Soranus of Ephedrus (98-177 AD) described mania and depression as diseases with different etiologies; however, he acknowledged that many others consider melancholia a form of the disease of mania. Depression was formally known as melancholia. In 1650, a scientist named Richard Burton determined the characteristics of depression in The Anatomy of Melancholia. His findings are still used today in the mental health field, and he is established as being the father of the study of depression.Emil Kraepelin (1856-1926), a German psychiatrist first termed the disease as manic depressive psychosis. He stud ied the disorder in untreated patients. In 1948, Dr. Cade a psychiatrist found out that Lithium Carbonate could be used as a successful treatment of manic depressive disorder. This was the first time a drug had been discovered that proved to be a successful treatment of this condition. The current term bipolar disorder replaced manic depressive disorder in 1980, and featured as diagnostic term in the Diagnostic and Statistical Manual of the American Psychiatric Association (DSM-III).Most diagnosis of bipolar disorder are based on DSM IV (2000). Due to the complexity of brain function, the aetiology and pathophysiology of the disorder is not very well understood .The debate as to whether it is genetic factors or neurobiological factors which contribute to bipolar disorder is ongoing. Genetics have been known to play a major role in aetiology of bipolar disorder from early on, however many theories suggest neurotransmitter dysfunctions in depression, and therefore maybe the best explanation to finding the cause of Bipolar disorder would be to investigate a chemical basis of the disorder, as this review will examine. The pathophsysiolgy has recently been overtaking research on genetics of bipolar disorder. It would be essential to study the same neurotransmitters which have implicated in cause of depression and the areas affected by medications which alleviate symptoms of manic-depression (Ackenheil, 2001). Theories about neurotransmitter abnormalities in bipolar disorder have been created by experiments which have been created by experiments studying the effects of pharmacological treatments. Lithium was first used 40 years ago to treat bipolar disorder, studies on the effects of lithium, its target and mechanism of action on bipolar patients have indicated mostly monoamine neurotransmitter abnormalities are involved behind bipolar disorder however even though large amounts of research on neurotransmitter abnormalities have been conducted the aetiology of bipolar is far from completely understood. Many patient are unaffected by lithium, this shows that bipolar disorder may have more than one cause maybe this accounts for the various symptoms involved in this disorder. Many models focus on one neurotransmitter or neurotransmitter system as the case of bipolar disorder however these models cannot be sufficient enough to explain the array of symptoms. A valid general theory has to consider opposite effects of activity of neurons leading to the cycle of mood states, this could be a system involving the releases of transmitters, abnormality in cerebral activities or a regulatory protein involved in the interaction of various systems on levels of signal transduction. The debate above provides the basis for this review. To understand the neurochemistry of bipolar disorder the molecular and cellular systems have to be determined. This literature review is organized around the signal transduction pathways and central neurotransmitter systems and convergence of these areas to provide an insight into the pathophysiology of bipolar disorder. Neurotransmitters involved in this review are serotonin, dopamine and noradrenalin. The neuroamine exert their action through postsynaptic receptors which are coupled to Guanine nucleotide binding proteins (G proteins). This is the main part of the intracellular signalling mentioned in this review. Other systems which have also been studied are sodium and calcium transport, disturbances in these systems have been implicated in the physiology of bipolar disorder, although this topic is beyond the scope of this review and there is relatively little research compared to G coupled proteins and cyclic AMP system, Given this, and the authors own personal interests, it was decided to focus on G coupled proteins and cyclic AMP system and the other main pathway phosphoinositide. 3. Aims This literature review aims to provide a critical evaluation of the research investigating the structures and circuits involved in the aetiology of bipolar affective disorder. Initially neurotransmitters and signal transduction will be examined and outlined by introducing the most popular and widely-used theories associated with the development of bipolar disorder and explain by what is meant by bipolar. Following this a search protocol is included: an explanation of how the reviewed articles were sourced and analysed. After which will follow a comprehensive review of the studies found in the search about how each neurotransmitter and signal transduction affect bipolar disorder. Also the disagreements and contradictions in the literature will be discussed. The implications and limitations of these findings of the studies found will then be considered and topics for future research presented. 4. Bipolar Affective Disorder 4.1. Diagnostic Criteria There are two types of bipolar disorder; Bipolar I and Bipolar II. Bipolar II consist of symptoms which are not as severe or prolonged as Bipolar I. The criteria for bipolar disorder is complex and is separated into six criteria sets theses are: single manic episode, most recent episode hypomania, most recent episode depressed, most recent episode mixed, most recent episode depressed and most recent episode unspecified. The table below summarizes the main DSM-IV classification (4th edition) criteria for the diagnosis of bipolar I and bipolar II disorder. Table 1 DSM-IV category Criteria Bipolar I Presence of one or more manic or mixed episodes, current or most recent episode: accompanied by one or more depressive episodes .Severe: with psychotic features In partial or full remission: With catatonic features With postpartum onset Current or most recent major depressive episode: significant distress occurs. Depressive state occurs more frequently then mania. Bipolar II No history of manic episode, not as severe as Bipolar I. Characterised by at least one hypomanic episode and depressive episode 4.2. Major depression Depression can distort an individuals way of thinking about themselves, their lives and of other people around them. Individuals who are diagnosed with depression tend to have higher negative views and fail to see the positive in any situation. Depression can also occur as anger. If episodes of low or depressed mood and a decrease in energy, activity, interest, or pleasure occur for two weeks the individual is diagnosed as major depressive ( DSM IV, 2000) 4.3. Mania Mania is the abnormal elevation of emotions, usually occurrence of irritable mood, inflated self esteem and may feature delusions or hallucinations (psychotic symptoms) when symptoms are less severe the patient is experiencing a hypomania episode. Mania can manifest itself in many forms. The DSM-IV splits the severity of mania symptoms into further subgroup for accurate diagnosis: Mild: symptoms barely meet criteria for an episode of mania. Moderate: There is a high increase in either activity level or impaired judgment. Severe without psychotic features: The patient requires continuous supervision to prevent physical harm to self or to others. Severe with psychotic features: The patient has delusions or hallucinations which may be mood-congruent or mood-incongruent. The table below summarises the symptoms of mania and depression Table 2 Mania Depression Need for sleep is decreased Increased talkativeness, pressure to keep talking, hyperactiveness Flight of ideas may be erratic- raving thoughts Incomprehensible speech Excess involvement in pleasurable activities e.g. impulsive sex- potential for painful consequence Having unrealistic beliefs in abilities Increasingly involved in goal relative activities, starting new projects Feeling constantly tired Having problems concentrating, remembering, and making decisions Lack of pleasure in activities Negative thoughts Being restless or irritable Changing eating, sleeping, or other habits (excess sleep usually occurs) Contemplating death or suicide, or attempting suicide. An individual with hypomanic episodes may have increased energy although the symptoms are not as severe as typical mania, the symptoms may come in episodes that last less than a week, do not require hospitalisation and will not be classified as full blown bipolar disorder I. A person having a hypo manic episode may feel they are on a high, be extremely productive, and function well. The individual may not perceive their behaviour as abnormal although these mood swings may be apparent to friends and family members. Without treatment, however, individuals with hypomania may develop severe mania or depression. 4.4. Definition issues Very few patients with bipolar alternate between episodes with pure mania or pure depression, many however have a variety of patterns and are regularly in a mixed state and rapid cycling between mania and depression occurs. Some experience months of depression followed by months of mania, some can swing states in a matter of hours (Berk et al 2005) this is usually defined as bipolar spectrum and can complicate diagnosis. There are unclear boundaries which can limit the selection of appropriate treatment. Accurate diagnosis on basis of clinical interviews may not be possible as many patients at the time of interview are in one phase. The psychotic symptoms reflect the persons extreme mood. For example, if a person is having a manic episode he/she may experience psychotic symptoms such as believing he or she is famous, has a lot of money, or has special powers which may make them invincible , this can be quite dangerous and can lead to death( Bauer, Michael et al, 2002). On the other h and, a person experiencing a depressive episode may believe he or she is ruined and penniless, or has committed a crime which in turn can lead to suicide. Due to these psychotic symptoms in individuals with bipolar disorder are sometimes wrongly diagnosed as having schizophrenia, another severe mental illness that is associated with hallucinations and delusions. People with bipolar disorder may also have other behavioural problems. Many turn to alcohol or substances, others tend to have attention deficit hyperactivity disorder (ADHD) or post traumatic stress disorder (Strakowski S.M. et al, 1998) so initially its not easy to recognize these problems as signs of a major mental illness. Individuals with Bipolar disorder sometimes go through states where they exhibit minimal symptoms however they still have the vulnerability for mood deregulation, this state is called euthymia (Strakowski et al.2004). There are no separate criteria for diagnosis of children although it has been stated that bipolar disorder in children is slightly different from bipolar in adults. 4.5. Treatment The treatment for Bipolar I Disorder is usually lifelong therapy with a mood-stabilizer this can be Lithium, Carbamazepine, or Divalproex / Valproic acid often in combination with an antipsychotic medication. Many of these medications are anticonvulsants except for lithium. Anticonvulsants medications help control moods although are usually used to control seizures. An antipsychotic medication and/or a benzodiazepine medication are often added to the mood-stabilizer in mania. In depression, Quetiapine, Olanzapine, or Lamotrigine is frequently taken with the mood-stabilizer. Alternations occur between medications, in depression, the mood-stabilizer is sometimes substituted for another mood-stabilizer, or in some cases two mood-stabilizers can be used together. Occasionally, antidepressant medication is used in depression. However as antidepressant medication can trigger mania, antidepressant medication is always taken in combination with a mood-stabilizer or antipsychotic medication t o prevent mania (Ackenheil, 2001). Research has shown that the most effective treatment for bipolar disorder is a combination of supportive psychotherapy, and the use of a mood-stabilizer and antipsychotic medication (Miklowitz D.J. 2006) 5. Monoaminergic Neurotransmitter systems 5.1. Serotonergic system Serotonin pathways originate in the raphe nuclei and project throughout the cerebral cortex. Serotonin is known to interact with the other neurotransmitters, it modulates different neuronal activities, Serotonin triggers sleep wake cycles, mood and emotional behaviour; deficiency can lead to migraines (Birkmeyer, W. and P. Riederer, 1989) this neurotransmitter increases the threshold for pain, reduces arousal functions, hyperactivity results in improved appetite, weight increase, an increased urge to sleep, lowered consciousness, slower thought processes, and lack of drive, most of which have been shown to be symptoms of depression in bipolar disorder. Serotonergic cell bodies originate mainly in the upper Pons and the midbrain-specifically, the median and Dorsal raphe nuclei, the Candal locus ceruleus, the Postrema area, and the inter peduncular area. These neurons project to the basal ganglia, the limbic system, and the cerebral cortex. (Kaplan et al. 1994). 5.2. Noradrenergic system The Noradrenalin (NA) system originates in the locus coeruleus, lateral tegmental area in the brain stem and projects diffusely through axonal pathways to the cortex, amygdale and hippocampus, in the CNS it is involved in a wide range of neurological and psychological functions, which include cognition, attention, emotion, and memory formation (Robbins and Everitt 1995, Moore and Card 1984). Activation of NA neurons increases cellular responsiveness to sensory information as inhibition of the background activity of the target neurons occurs and also increases the selectivity of the responses to relevant stimuli (Foote et al 1983). NA is also involved in the fight or flight reaction. NA changes the efficiency of the excitatory and inhibitory synaptic transmission in particular neurons although it is dependent on the subtypes of adrenergic receptor (AR) and secondary messengers (Dohlman Et al 1991). 5.3 Dopamingenic system There are eight major dopaminergic pathways in the brain. The three main pathways originate from the midbrain, they are as follow: Mesolimbic pathway-consists of a bundle of dopaminergic fibres which are associated with the reward circuit. This pathway develops from the ventral tegmental area and innervates various formations of the limbic system, which include the nucleus accumbens. The mesolimbic pathway is involved in memory and is important for motivating behaviours. Mesocortical pathway also originates in the ventral tegmental area, although also projects to the frontal cortex and surrounding areas. Dysfunction in this pathway might be the cause of some of the symptoms such as hallucinations and disordered thinking in bipolar disorder. Medications used to reduce psychotic delirium block this pathway, and also reduce the overall activity of the frontal lobes. Tuberoinfundibular pathway- is located in the hypothalamus and releases dopamine into the portal vessels thus regulating the functioning of the pituitary. These distributed pathways are responsible for behavioural areas such as impulsivity and attention, reward seeking, emotional processing, working memory, and other executive functions. The actions of the neurotransmitter dopamine are usually connected through G-protein-coupled receptor slow transmission, which in turn modulates fast neurotransmission in glutaminergic and GABA- ergic neurones. There are two types of dopamine receptors D1-type and D2-type. D1-type receptors (D1 and D5) are mostly coupled to Gas and then stimulate the production of the second messenger cyclic-AMP (cAMP), whereas D2-type receptors (D2, D3, and D4 included) are coupled to Gai à ¢Ã‚ Ã¢â‚¬Å¾ o and decrease the production of cAMP and related downstream pathway. The various types of dopamine receptors are diffused throughout different areas of the brain (Greengard P. 2001) 6. Signalling transduction 6.1. G- Coupled proteins and Cyclic AMP system G-proteins are an important component of the intracellular signalling pathway; they interlink receptors in the membrane to the different intracellular effecter molecules which in turn produces responses. G-proteins are made up of 3 sub units: an a subunit which binds and hydrolyzes guanosine triphosphate (GTP) these can be further divided into subunits of Gas, Ga, Gaq, Gao and b and g subunits which are firmly bound to one another. Various combinations of protein structures can be established out of these subunits thus creating a number of receptors for different or similar signal transduction systems. Small changes in the subunits of the G proteins can highly alter the order of events in signalling from receptors to the intracellular targets (Birnbaumer L, 1992, Spiegel et al., 1992) These G-protein coupled receptors stimulate or inhibit mainly two second messenger systems: cAMP and Phosphoinositol After receptor activation, G-proteins connect to various effectors (enzymes). This pathway involves coupling of G protein (inhibitory or stimulatory) sub units to enzymes for example adenyl cyclase (AC). Different forms of the enzyme AC catalyze to produce cAMP this is via adenosine triphosphate (ATP).cAMP controls cellular functions such as metabolism and gene transcription.As cAMP degrades quite quickly in the brain by phosphodiesterase binding of cAMP to another enzyme cAMP-dependent protein kinase (as protein kinase A) is used as an indirect measurement of cAMP. This enzyme is critical for connecting any short term changes in neurotransmitter signalling to long term neurobiological changes (Beavo J.A, 1974, Scott JD, 1991). 6.2. Phosphoinositide (PI) Pathway Another signalling path way involved in the coupling of neurotransmitter receptors is phosphoinositide , this pathway involves the phosphatidylinositol-specific phospholipase (PLC) enzyme, and the G-protein subtypes Gq/G11, (Perez et al ,2000) Hydrolization of inositol-containing phospholipid phosphatidylinositol 4, 5-bisphosphate (PIP2) to two important second messengers: 1, 2-diacylglycerol (DAG) and inositol 1,4,5-triphosphate (IP3) is induced by the activation of the receptors which stimulate PLC (Smrcka et al 1991). Inositol monophosphate (IP) is made by conversion of IP3. IP is then again converted into inositol which is then available for resynthesis of PI. Lithium decreases the level of inositol in the brain, it blocks the conversion of IP to inositol by interfering with inositol monophosphate phosphatise conversion of IP to inositol. 7. Theories There have been a number of theories of depression and mania separately. The main neurotransmitter system implicated in the development of bipolar disorder is the serotonin system and is still the most widely studied system; however there is evidence suggesting that other neurotransmitter systems also play important roles (Barros et al. 2002). The biogenic amine theory of depression (Bunney and Davis 1965; Schildkraut 1965) is based upon a link between pharmacological alterations (medications taken by Bipolar patients) of monoamines and modulation of affective disorders. Decreasing amine neurotransmitters (noradrenalin (NA) and serotonin (5-HT) in the synaptic clefts) leads to an increased incidence of bipolar affective disorder. Another theory suggests that antidepressants alter the concentration of neurotrophic factors which are essential for neuronal survival (Duman et al, 1997; Duman, 2002). Although recently it has been suggested that instead of being a simple case of depletion in some crucial cerebral transmitter; concentrations depression may be the result of a disturbed balance between various regulatory systems, which may lead to transmitter over activity in some brain regions (Syvà ¤lahti 1994). Another hypothesis by Harro Oreland (1996) the neurobiological aetiology of depression may lie in the alteration of the noradrenergic innervations from the locus coeruleus, which, in turn, may lead to dysfunction of serotonergic and dopaminergic neurotransmission. Theories associated with the Multicomponent, cellular signalling pathways suggest that the interaction at various levels is important, which form complex signaling networks essentially allowing the cell to obtain, process, and respond to information (Bourne HR, Nicoll R,1993, Weng G et al, 1999). The cascades of signals are assisted by these networks in a matter of milliseconds, they are crucial for physiological processes as they can alter the strength and duration of outputs and feedback. Thus abnormalities in these pathways may have variety of affects in different neurological disorders (Bhalla U.S. 1999). Patients treated with antidepressants have increased activation of cAMP system in particular regions of the brain. This causes the high expression rate of the transcription factors that are involved in this system (cAMP response element binding protein- CREB) which leads to the increased expression of neutrophic factors in hippocampus and cerebral cortex neurons theses neurotrophic factors are essential for survival and functioning of certain neurons these studies have lead to the molecular and cellular theory of depression. 8.Method 8.1. Search protocol A breakdown of how the search was conducted is presented in Figure 1 below: Less detail Level of detail in search more detail Start Time of search finish Keywords Bp = Bipolar Disorder S= Serotonin D= Dopamine N= Neurotransmitter ST= Signal Transduction NA= neuroadrelaline GP= G proteins PI= Phosphoinositide cAMP= cAMP pathway 8.2. Selection method Articles were searched on several journal databases these included web of knowledge, Science Direct and Medline. Key words were chosen to assist with the search. Key words included: signal transduction, neurotransmitters, bipolar disorder, mania, serotonin, dopamine, noradrenalin and depression. Articles were selected by at first by reading the abstract and deciding whether the article was directly answering or related to the review question. If this link was established, the article was considered as having passed the first stage of screening Once all databases had been searched for those articles that passed stage one screening, further analysis was carried out. Articles werent excluded on basis of country of origin or date of publishing. Many studies incorporated different factors for example 8.3. Articles excluded Certain articles which were found within the search protocol were not included in this literature review. There is a large amount of literature investigating the genetic links to neurotransmitter receptors and bipolar disorder that purely focused on this factor although articles that purely focused on this factor were not included in the review. 9. Findings Direct and indirect methods which have been used in the studies include: brain studies, CSF studies, platelet studies and psychopharmacological have all been included in this review as it is difficult, to measure the chemical and physiological activity within the brain in vivo. Peripheral lymphocytes share many common characteristics with neuronal cells thus considered suitable models for testing various hypothesises. Lymphocytes have various neurotransmitter receptors on their cell membrane 9.1.Neurotransmitter studies Noradrenergic system has been shown to be involved in the pathophysiology of bipolar disorder. In depressive states, noradrenergic system has under functioned these results from these studies are taken from indirect measurements of noradrenalin metabolism in body fluids. Measuring desmthylimipramine, the growth hormone secretion shows estimate activity of noradrenergic neurons in the brain (Laakmann et al 1990). Abnormalities in the level of noradrenalin in plasma of patients has been observed which support the hypothesis that this neurotransmitter is involved in the aetiology of bipolar disorder , in subjects with mania the concentrations of NA has been increased ( Manji, Lenox, 2000) also the metabolite of noradrenalin (-methoxy-4-hydroxyphenylglycol -MHPG) has been established to be higher concentration in the urinary and cerebrospinal fluid of mania state than in depressive state ( Goodwin et al, 1990, Bowden CC 1997, Schatzberg AF et al 1995, Manji et al 1997). These were all longitudinal studies and therefore had higher validity compared to studies only examining one state of mood in bipolar disorder. Higher values were also noted in unipolar depression compared to bipolar depression (Goodwin FR, Jamison KR 1990, Manji et al 2000). Lower noradrenalin output and altered sensitivity of a2 receptor activity have been discovered in depressive states this has been indicated by the lowered growth hormone response to clonindine leading to a decrease in noradrenalin activity compared to in maniac state where noradrenalin release is increased (Delgado, 2000; Manji Lenox, 2000). Increased levels of a2 receptors in the hypothalamus, amygdale, hippocampus and cerebellum have also been reported (Delgado 2000, Young et al 1994, Vawter M.P et al 2000,). Another group of studies on serotonin and serotonin metabolism have shown that a lower concentration of the serotonin metabolite 5-hydroxyindoleacetic acid (5-HIAA) was found in bipolar disorder patients, particularly in aggressive bipolar patients and those who have attempted or contemplated suicide but were raised in patients with mania (Manji Lenox, 2000, Traskman et al 1981, Swann et al 1983, Asberg et al, 1984). Smaller numbers of serotonin uptake sites were also found in post mortem brains of depressed individuals with bipolar disorder ( Leake et al, 1991) other drug studies on Tryptophan, an essential amino acid on which serotonin synthesis is dependent on have established that prescribing tryptophan to patients with depression may sometimes result in the reversal of the therapeutic effect of selective serotonin re-uptake inhibitor administration and depression may reoccur, this suggests that serotonin levels in brains of bipolar disorder patients may not be the only cause of this disorder. Extensive results from CSF experiments, serotonin receptor and re uptake site binding studies, pharmacologic studies have been achieved which support the theory that alterations of serotonergic neurotransmission in depressive states occur (Goodwin et al 1990, Maes et al 1995, Garlow et al 1999). In studies of CSF 5-HIAA in patients with bipolar disorder in mania episode has generally produced inconsistent and conflicting results (Goodwin 1990, Shiah et al 2000). Most studies found no difference in levels of CSF 5-HIAA levels between depressed state and manic state, two reported both manic and depressive states have lowered CSF 5-HIAA levels and one reported manic have significantly lowered levels of CSF 5-HIAA compared to control subjects. More research in this area needs to be conducted in order to achieve consistent results (Goodwin, 1990). Maes et al (1995) and Garlow et al (1999) researches found decreased concentration of radioligand binding to the serotonin transporter which is involved in taking up serotonin from the synaptic cleft. These results were found both in platelets and mid brain of depressed subjects. Positron emission tomography (PET) studies have also reported decreases in 5-hydroxytryptamine (5- HT)1A receptor binding potential in the raphe and hippocampus and amygdala of the brains of depressed patients, especially in patients with bipolar and in unipolar patients with history of bipolar in their family, indicating a genetic link ( Drevets, 1999) To produce a more direct measurement of serotonergic system function neurotransmitter depletion models are used in the case of bipolar disorder tryptophan depletion to lower serotonin levels is used. Serotonin synthesis is dependent on Tryptophan, an essential amino acid. Depletion of tryptophan is created by the Australia: Inflation, Balance of Payment and Monetary Policy Australia: Inflation, Balance of Payment and Monetary Policy What is the main measure of inflation movements in Australia and what does it represent? CPI refers to the Consumer Price Index and is used as the primary measure of inflation movements within Australia over time. CPI can be defined as a measure of how the prices of goods and services change over time. It is a measure of overall cost a typical consumer pays for the purchase of goods and services. A larger increase in CPI represents an inflationary trend in the economy and decrease in CPI shows deflationary situation. It also helps in comparing the inflation patterns with other countries of the world. CPI can be calculated using the following formula: Inflation refers to the persistent rise in the general price level in the economy. Rising inflation negatively affects the purchasing power of a typical consumer, therefore, a typical family has to spend more to maintain his existing standard of living. We can estimate the rate of inflation in the following way: Where: refers to Inflation rate in the current financial year. refers to CPI in the preceding financial year. refers to CPI in the current financial year. CPI is considered as a benchmark inflation guide for the Australian economy The balance of payment is a record of monetary transactions between Australia and the rest of the world- it is made up of two accounts. What are the names of the accounts and what do they measure? Balance of payment keeps track of inflow and outflow of money from the economy of a country. It consist of two main accounts:- Current Account Capital Account Current Account The current account measures trade flow in and out of the country. In other words, it represents country’s exports and imports. It consist of following three components. Trade in goods and services Net Foreign Income Current Tranfer/Foreign aid Trade in Goods and Services The most important component of the current accounts is the balance of trade showing the country’s imports and exports of goods and services. If exports are larger than imports, it is a balance of trade surplus and if exports are fewer than imports shows a balance of trade deficit. Net foreign Income If local companies or individuals of a country (let say Australia) purchase bonds and stocks in other countries, the money will come into the country in the form of interest and dividend payments and will add to the net foreign income. On the other hand, the money that leaves the country in the form of interest payments and dividends to foreign investors, royalties paid by the subsidiaries (located in Australia) to their overseas head offices decreases the total net foreign income. Current transfer / Foreign Aid Grants/ donation and workers (foreigners) send money to their home countries. Current Account Surplus and Deficit Current account surplus means that country is earning more than spending or in other incoming money (credits) exceeds outgoing money (debit). It means the country has more money to lend to other countries. Whereas, the current account deficit shows that the spendings of a country are higher than income/earnings. Capital Account It tracks the movements of funds for investment into and out of the country the capital account consist of four main components such as: Direct investment: Portfolio Investment Government Capital Official Reserve Direct investment: It refers to the foreign direct investment when the investor acquires ownership and control over these assets. Portfolio Investment It represents money that flows into and out of the country for the purchase of financial assets like stocks and bonds, whereas, the payment of the dividends and interest from these foreign investments will be the part of the current account and will not be counted towards capital account. Government Capital It refers to the Government borrowing from and repayments to overseas countries. Official Reserve The net foreign exchange transactions of central banks. Capital Account Surplus and Deficit The capital account surplus means more inflow of foreign capital into the country in the form of investments and the capital account deficit shows outflow of foreign capital from the country for investments compared to the domestic investment. A capital account surplus is usually being balanced by the current account deficit and vice versa. Together, these accounts constitute Balance of Payment (BOP), because of their offsetting nature the complete understanding of these two accounts is crucial for traders. How does the Reserve Bank of Australia, Institute monetary policy? Reserve Bank of Australia (RBA) was constituted under the Reserve Bank Act 1959, and is responsible for preparation and carrying out of monetary policy. By definition monetary policy has been a process by which the monetary authority holds the provision of money, often targeting interest rates to achieve economic targets of low inflation and long term growth stability. Objectives of Monetary policy In setting monetary policy RBA is responsible to maintain the pursuit: Stability of Australian currency Full Employment Economic Prosperity and welfare of the people of Australia. In order to achieve above mentioned objectives, the Reserve Bank of Australia sets a targeted official cash rate (interbank overnight rate). The cash rate adjustments influence the other interest rate in the economy, expectations of community, exchange rate and ultimately involve the pace of rising prices (inflation rate). The appropriate target inflation rate agreed by RBA and Govt is at 2 to 3 percent on average over the cycle, as this rate will not materially affect the spending and investment patterns in the economy. As monetary policy is a means of influencing the economy by controlling the supply of money. By Act of Parliament RBA can manage the quantity of circulation of money through changing cash rate, buying and selling Govt securities and by making changes to statutory reserve deposits. The RBA usually meets once in every month, examine the health of the economic system as a whole and by reviewing the checklist of different economic indicators both domestic and international to decide on their monetary policy. Any decision/changes needed at the conclusion of the meeting, then communicated publicly. There are two types of monetary policies which are as follows: Expansionary monetary policy: It stimulates production and employment through an increase in the supply of money on credit in the market. The RBA can implement this policy by decreasing the cash rate or lowering reserve requirements in order to promote borrowing and spending in the economy. Small businesses often benefit with the execution of the expansionary monetary policy, but it has some drawbacks like decrease in value of currency, raise in inflation, output shortage, higher demands of wage etc. The objective of the RBA is to balance the available money to interest rate in order to ensure expansionary effect on the economic system. Contractionary Monetary policy: The primary aim of this type of policy is to draw out money out of the economic system to prevent the rising prices, decrease consumer spending and increase the value of currency. The activities through which RBA tightens monetary policy includes decreasing the official cash rate or by increasing the reserve requirements from other banks make it harder for consumers and investors to borrow money and persuade them not to drop more money. A monetary contraction further stabilize the prices of goods as inflation goes down. This policy slows down production because there is reduce demand for their products. An investor can also plan to cease planned expansion and this may cause unemployment in the future. What are the implications of rising or high inflation? In simple language inflation means an overall increase in prices of goods and services in the economy or decrease in the purchasing power of money over time. Inflation is caused by an increase in demand for commodities and services strongly outweighs the supply of commodities and services in the economy. Inflation rate can easily be calculated on monthly or yearly basis by applying the CPI. Inflation rate in Australia as reported by the Australian Bureau of Statistic is 2.9% in the first three months of 2014, up from 2.7 percent in the previous quarter but still it is below market forecasts. This cost increase was primarily due to seasonal increases in the cost of health care, school fees, transport and by large increases in tobacco duties. Impact of High Inflation on the Economy: High inflation is harmful to the economy as it moves in many ways such as: Distort Consumer Behavior: Consumer purchases their future required goods in advance because of the fear of price increase this can create a sudden shortage of goods in the market. Higher Wage Demands: Prices increase lead to higher wage demand as the fixed income earners require more money to keep their previous living standard. This process is called wage-price spiral. Greater Uncertainity: During inflation, rapid fluctuation in inflation rate can undermine business confidence. As it makes difficult for business organizations to accurately determine prices for their products and their returns from investment i.e. budgeting and investment valuation become difficult Firms may postpone their investment expansion because of lower consumer spending and this will adversely affect the economic growth in the economy. Savings Decrease: At high inflation times, people spend more money to keep their previous living standard therefore least amount they keep. As savings in the economy decrease less loanable funds are available for the firms to invest. Unemployment Rise: When the firms decide to curtail their current production or lay off their planned expansions they will not hire more workers this leads to lower job opportunities available in the economy. Damage to Export Competitiveness: Due to high inflation, the production cost of goods rise and their export will become less competitive in the international marketplace. This has an adverse result on the Balance of payments. Social Unrest: High inflation lead to a general feeling of discomfort for households as their purchasing power is falling and they have to postpone many of their desires. Hoarding in Economy Increase: Rapid increase in prices can sometime result in hoarding of basic commodities to gain more profit margins. What is the main economic indicator of growth in the economy? Economic indicator shows in which the direction of the economy is going. There are three primary types of economic Indicators i.e Leading, Coincident and Lagging indicators. In monitoring the economic growth and health, Govt, reserve bank (RBA) and other economist not only observe one indicator, simply stick with a large no domestic and of key economic indicators like inflation, GDP, inflation, Employment, wages, consumer an international d investment spending, interest rate, Balance of payment, Exchange rate etc. But the most comprehensive measure of economic performance is GDP (Gross Domestic Product). It is the best measure as it includes the output of all sectors and gives overall performance of the economy. It is likewise applied to evaluate the quality and success of Govt policy to attempt to attain the target economic growth. GDP by definition is the total value of all final goods and services produced in a country within a year. There are two methods normally applied to calculate GDP: Expenditure Approach Income Approach Expenditure Approach:- The total amounts spent on the goods a and services produced in a nation by households, firms, Govt and foreigners. Households consumptions (C) include all spending for the consumption of goods and services, business firms also consumes product in the form of investment (I) in capital goods. Capital goods means the tools and technology firms purchase to use in the production. Govt also consume products in the form of infrastructure goods (roads, bridges), services like education (public schools), health care (old age/poor persons medical coverage). Foreigners when purchase our nations goods (X) it increase GDP in the form of and when our other nation purchase other countries (M) products it decreases nations GDP. The formula to calculate GDP by expenditure Approach:- GDP = C + I + G + ( X – M ) Income Approach In an economy in different ways, such as rentals (Land), Wages depending on skilled /unskilled Capital income (Interest income from their savings at banks or other savings institutions) and in of profits from managing their own businesses (Enterpreurship). If we add all these types of incomes, we get the total of the nations income. The formula to calculate GDP by income approach is given below. GDP = Rentals (R) + Wages (W) + Interest (I) + Profits (P) For the economy as a whole total Income is equal to total expenditure because every dollar spend by a buyer is a dollar income for a seller. The limitations of using GDP as economic indicator:- GDP does not count for volunteer work which people do freely. People work freely in schools, hospitals etc.. GDP didnt include the effect of rebuilding after a natural disaster or war. Rebuilding increase the GDP. GDP does not consider the quality of goods. The consumer may go for cheap/low quality goods instead of expensive one this may lead to repetitive buying as of low quality aspect. More buying pattern affects the affect the GDP. Nevertheless despite of its few limitations economist uses GDP as to assess whether the purchasing ability of the nation increase / decline in the economy and also to quantify the relative growth, wealth and prosperity of different countries.

Clothing, Shelter and Transportation in Panama :: Panama Culture Region Essays Papers

Clothing, Shelter and Transportation in Panama Panama, a small country located in Central America, is very diversified in both its people and its climate. Considered to be the isthmus connecting South America to North America, Panama has played a key role in global transportation since the creation of the Panama Canal. The canal goes through the midsection of the country connecting the Atlantic and Pacific oceans, allowing for much faster sea travel. Because of its location, Panama has been heavily influenced by several countries including Colombia which they were ruled by until 1903 and the United States which played such a large role in the realization of the canal. These foreign influences can easily be found in Panama's cuisine, music, and artwork as well as all the tribes that have settled within the country. The climate of Panama is substantially different on the Atlantic and Pacific sides of the country, namely in terms of annual rain fall. So much so that 'on the Caribbean slopes of the Tabasarà ¡ Mountains' average rainfall is approximately twice as heavy as on the leeward Pacific slopes' (www.britannica.com). Furthermore, the Pacific has heavy rainfall almost all year round whereas the Atlantic side has distinct seasons, making it easier for agriculture to flourish. Found in the western provinces of Chiriquà ­, Bocas del Toro, Veraguas and the San Blas Islands, the Kuna tribe is the second largest Indian group in Panama with approximately 35,000 people. While the Kuna speak their own language called ?Tule?, many speak Spanish and English because of the Colombian and US influences. Largely living in the rain forests, the Kuna live in ?traditionally thatched roof huts made from materials readily found in the jungle? (http://public.cwp.net). By using a combination of straw, palm leaves and reeds they use the resources found in their region to make shelter that is suitable for living in such a hot, humid climate. Their clothing, however, differs from other tribes in the country because of their location. Instead of preferring loin cloths like other tribes on the Pacific, rainier side of Panama do, the Kuna women wear ?wrap around skirts and beautifully hand-made blouses known as ?Molas?. The Mola is an intricately sewn picture made from layers of c loth in a reverse appliquà © technique? while the men wear ?traditional Kuna shirts and less traditional pants, jeans, or shorts? (http://public.cwp.net). It?s easier for them to wear more clothing because they don?t have to continuously deal with rain.