Human Development Essay Example for Free

Human Development Essay Taking a look at the Human Development Index map of Africa, which can be seen on (http://en.wikipedia.org/wiki/Human_Development_Index) on the web; it shows that many of Africas countries are very underdeveloped.7 One of the obvious reasons for why countries is Africa are underachieving is because of how poor is the strength of their economy compared to others. As it is well known, Africa is very rich in mineral resources as many other states rely upon their, possessing most of the known minerals types of the world. Africas economy is more reliant on agriculture than that of any other continent, with around 60% of Africans working in the agricultural sector. Secondly, the economic development of virtually all African nations has been hindered by inadequate transportation systems. Most countries rely on road networks that are composed largely of dirt roads, which become impassable during the rainy seasons. Road networks tend to link the interior of a country to the coast; few road systems link adjacent countries.9 To show how poor and how bad economy crisis is in Africa, one ought to take a look at their food crisis and the growing volume of food imports. Whereas Africa imported an average volume of 1.96 million metric tons of agricultural products in the years 1961-63, by 1980-82 this figure had risen to 11.2 million metric tons at an annual value of over $6.8 billion (over one-seventh of the total value of Africas imports in 1982).Owing to foreign exchange constraints, most African countries have had to rely increasingly on food aid to meet their imported food requirements.10 The commercial sectors of most African states rely heavily on one or a few export commodities. The bulk of trade occurs with industrialized nations, which require raw materials and sell industrial and consumer goods. Trade between African states is limited by the competitive, rather than complementary, nature of their products and by trade barriers, such as tariffs, and the diversity of currencies. Looking at the economy of Europe, a sharp contrast in strength and influence can visibly be seen. Europe has long been a world leader in economic activities. As the birthplace of modern science and of the Industrial Revolution, Europe acquired technological superiority over the rest of the world, which gave it unquestioned dominance in the 19th Century. An important impetus for growth since the mid-20th Century has been the formation of supranational organisations such as the European Union, the European Free Trade Association, and the Organisation for Economic Cooperation and Development. Unlike Africa, Europe has highly developed transport systems, which are densest in the central part of the continent. Many countries in Europe use well maintained transportation systems to transport important goods such as water transport which plays a major role in the European economy. Almost all European countries maintain national airlines, and several, such as Air France, British Airways, Swissair, Germany, and Netherlands are major worldwide carriers.13 Looking at both economies and trade, it is unquestionably obvious that Europe conducts substantial international trade compared to Africa. For Europe, much of its trade is intra-continental, especially among members of the European Union, but also engages in large-scale trade with countries of other continents. Germany, France, Great Britain, Italy and the Netherlands are among the worlds greatest trading nations. A large portion of European inter-continental trade involves the exporting of manufactured goods and the importing o f raw materials. Europes agricultural sector is generally highly developed, especially in Western Europe. The agricultural sector in Europe is helped by the Common Agricultural Policy, which provides farmers with a minimal price for their products and subsidized their exports, which increases competitiveness for their products. This policy is highly controversial as it hampers free trade worldwide (protectionism sparks protectionism from other countries and trade blocs: the concept of trade wars) and is violating the concept of fair trade.15 Africas economy is more reliant on primary products (i.e, agricultural and mineral) than that of any other continent, with around 60% of Africans working in the agricultural sector. About three fifths of African farmers are subsistence farmers tilling small pots of land to feed their families, with only a minimal surplus that can be sold for other goods.16 However, there are significant number of large farms that grow cash crop such as coffee, cotton, cocoa, and rubber; these farms, normally operated by large corporations, cover tens of square kilometres and employ large number of labourers. Africas geography is unsuited to trade and thus hampers its economy. The centre of the continent, at least on the western side, is an almost impenetrable rainforest that greatly impedes the transit of people of goods. Some of the wealthiest parts of South Africa are blocked from the rest of Africa by the Kalahari Desert, while the Sahara creates an obvious barrier to trade. While Africa has a number of great river systems such as those of the Nile, Niger, Congo, and Zambezi, it is not nearly as well-linked rivers as are other areas such as Europe. Moreover, many of the rivers are blocked by rapids and cataracts that require vast development projects if they are to be bypassed. The wetness of the roads and tracks makes transport difficult and hazardous. In addition Africa is cut off from the sea to a greater extent than any other continent. To enforce even more problems to Africa; there is an increasing amount of desertification occurring in Africa where the deserts, especially the Sahara are becoming larger, enveloping area around them, leaving less space for land. This process is partly due to the deforestation of areas of forest; with no roots to hold soil in place, it blows away leaving an infertile desert. Europe has a well developed financial sector. Many European cities are financial centres with the City of London being the largest.19 The European financial sector is helped by the introduction of the euro as common currency. This has made it easier for European households and firms to invest in companies and deposit on banks in other European countries as exchange rate fluctuations are now non-existent in Europe. As mentioned above, Europes economy is superior to that of Africa, so what can Africa do to improve its economy or perhaps what can it take from the Europe economy as a model. Professor J A. van Ginkel held a conference on the Knowledge and Development in Africa; here he talked about ways to improve Africas economy however not only by getting the economic policies right.20 Prof van Ginkel mentions that there is now substantial evidence that institutional weakness in many African countries is a critical obstacle to economic performance.21 From the surveys he conducted on the obstacles to business in Africa it highlights the damage caused by: the unpredictability of changes in laws and policies, the unreliability of law enforcement, and the impact of corrupt bureaucracies.22 Unless governments eliminate these kinds of obstacles then it is unlikely that the economy whether it is just locally in certain parts of Africa or on a national front will flourish. An aspect of the Europe model that Africa can learn from is the aspect of knowledge. No commodity is more expensive than knowledge. An Africa without a sustainable, strong knowledge sector of its own will always remain in a dangerously dependent position. Research and training institutions on the continent can make a critical contribution in at least three ways: by making the most of existing indigenous knowledge; by accessing the vast reservoir of existing global knowledge, as well as the ongoing advances in understanding, and adapting them to suit specific local conditions; and by helping to find innovative solutions to seemingly intractable problems.23 In terms of human resources, it was highlighted in the Seminars of Anticipation that African developments suffers from a tragic paradox: on the one hand, elites trained in Western world are too many (and most of them stay in the US or in the EU because they cannot find well-paid qualified positions in Africa, or because their skills do not correspond to African needs); while on the other hand the well-trained intermediate executives required to manage a modern economy are cruelly missing in Africa (higher technical experts, management executives, civil administrators). To conclude, this essay has looked the economies of both Europe and Africa and compared and contrast both of them. It has also provided information about both economies in terms of trade and finance. A brief history was provided which looked at the relationship between Europe and Africa and to the days of colonisation. Reasons as to why both regions are on different levels economically were provided to show how dominant and rich Europe was and how poor and underdeveloped Africa was. The Africa food crisis was mentioned to give an account of how poor Africa was against other regions. In addition ways that Africa can improve their economy thus bringing it more power and strength so that it can compete with other regions was provided, for example making sure Africa had the aqeduate education so that it learn. Many Africans move to the west so that they can have higher education which is not available in Africa and tend to stay there once they have completed their studies. This is detrimental to Africas development and thus a solution to the problem would be to support the creation of a complete curriculum. This would lead to a massive contribution to the development of vocational and technical education in Africa thus improving Africas economy. So as it can seen, the economies for both Europe and Africa are at this present time in contrast to each other but there is hope for Africa to become more dominant and influential in world affairs if the correct adjustments and policies are introduced to improve them. References Fawcett, L., Hurrell, A., Regionalism in World Politics, Oxford, Oxford University Press, 1995, pg 43Â  Ravenhill. J, Africa in economic crisis, Basingstoke, Macmillan, 1986, pg 9Â  www.ciaonet.org/isa/rajo

Essay on the Roles of Trinculo and Stephano in The Tempest

The Roles of Trinculo and Stephano in The Tempest      Ã‚  Ã‚   Trinculo and Stephano have two major roles in The Tempest - comic relief and the theme of exploration. Because of this double nature to their characters, they are more important than they initially appear.      Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   The Tempest is a comedy. The play may not seem to fit into the category of comedy as it exists today; but in the 17th century comedy was very different. Certainly, The Tempest would never be confused with a modern television comedy - the art of comedy has evolved too far.   The main plot of the play - the plot involving Prospero regaining his rightful position as the Duke of Milan - seem to be overly serious for a comedy. The scenes containing Trinculo and Stephano, however are the exceptions here - their scenes are much closer to the modern interpretation of comedy than the majority of the rest of the play.      Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Trinculo and Stephano are introduced in act II, scene II. This scene is almost pure farce - the events are totally unrealistic but are, however, quite funny: A good description of modern comedy, in fact. While the previous scenes in the play have been mostly serious, detailing the back-story, this scene is blatantly visual comedy - in the hands of a good director and good actors, it could turn into a hilarious scene.   This scene shows Trinculo and Stephano's main purpose in the play - to provide comic relief. As a direct contrast to the heavy plotting and comparatively serious themes being explored in the other scenes, the scenes involving these two men lighten the play's mood considerably. Without their impact on events, The Tempest would be a lot darker in tone.      Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   If Trinculo and Stephano had been le... ...use of this double nature to their characters, they are more important than they initially appear. It is for both these reasons that they are important to the play as a whole; without them the play would be missing some important aspects which help make it the success it is.       Works Cited and Consulted: Primary Texts William Shakespeare, The Tempest, ed. Frank Kermode, with an introduction by Frank Kermode, (Arden, 1964) Montaigne, Selected Essays of Montaigne, trans. John Florio (1603) ed.Walter Kaiser, with an introduction by Walter Kaiser, (Riverside, 1964) Secondary Texts Curt Breight, " 'Treason doth never prosper': The Tempest and the discourse of treason, Shakespeare Quarterly, 41, no.1, (1990) Eric Cheyfitz, The Poetics of Imperialism: Translation and Colonization from The Tempest to Tarzan, (Oxford University Press, 1991)

Food Hygiene & Sanitation Essay

Only without oxygen at an ideal temperature 43? C c. Only with oxygen at an ideal temperature of 43? C d. Only without oxygen at an ideal temperature of 39? C 7. Which of the following groups of hazards are most likely to cause a foodborne disease outbreak? a. Bacteria and viruses b. Parasites and molds c. Vibrio spp. and Shigella spp. d. Chemical and physical hazards 8. Bacteria grow best within a narrow temperature range called the temperature danger zone. The temperature danger zone is between: a. -18? C and 104? C b. -8? C and 65? C c. 5? C and 60? C d. 5? C and 100? C . Bacteria that cause foodborne illness will only grow on foods that have pH at _____ or above and a water activity (AW) above____. a. 3. 2; 0. 85 b. 4. 6; 0. 85 c. 6. 5; 0. 80 d. 8. 0; 0. 75 10. Which of the following bacteria produce a toxin that is more likely to cause death if consumed? a. Campylobacter jejuni b. Clostridium botulinum c. Shiga-toxin producing Escheria coli d. Listeria monocytogenes 11. Some bac teria form spores to help them: a. Reproduce b. Move easily from one location to another c. Survive adverse environmental conditions d. Grow in high acidic foods 12. Which of the following is a histamine poisoning? a. Ciguatoxin b. Scombrotoxin c. Mycotoxin d. Paralytic Shellfish Poisoning (PSP) 13. Which of the following is not considered a potentially hazardous food group? a. Red meats b. Fish and shellfish c. Poultry and eggs d. Dried grains and spices 14. The most effective way to control the growth of bacteria in a food establishment is by controlling: a. Time and temperature b. pH and oxygen conditions c. Temperature and water activity d. Time and food availability 15. Food borne illness can caused by: a. Poor personal hygiene b. Cross contamination c. Temperature abuse d. All the above 16. Regarding food thermometers, which statement is false? a. Be calibrated b. Measure temperatures between 5? C and 57? C c. Measure temperatures between -18? C and 104? C d. Be approved for use in foods 17. Good personal hygiene includes a. Using hand sanitizers instead of washing hand b. Keeping hands and clothes clean and sanitary c. Wearing attractive uniforms d. Cleaning and sanitizing food-contact surfaces 18. Cross contamination is a term used to describe the transfer of a foodborne hazard from 1 food to another: a. By a food worker’s hand b. From a cutting board c. From a knife blade d. All of the above 19. After proper cooking, all foods that are to be held hot must be held at: a. 74? C or above b. 57? C or above c. Room temperature until served d. 49? C or above 20. Food workers should wash their hands after which of the following? a. Taking out the trash b. Touching their faces c. Handling raw food d. All of the above Section B (10 marks) Answer either True/ False. 1. The Hazard Analysis Critical Control Point System is only used to monitor food processing in manufacturing plants. () 2. Certification of food protection managers and workers refers to screening done for health problems. () 3. The term food establishment includes any site where food is processed, prepared, sold or served. () 4. Bacteria and viruses cause most foodborne illness. () 5. One of the potentially hazardous food is cut melons. () 6. There are two types of bacteria that are spore forming and non-spore forming. () 7. Clostridium botulinum cannot cause death. () 8. E. Coli can be found in the intestines of warm-blooded animals. () 9. Prevention of cross contamination can be done by keeping raw food and ready-to-eat food together during storage. ) 10. Bacteria take 25 minutes to multiply. () Section C (20 marks) Briefly explain on each answer. 1.

Edgar Allan Poes Death - Free Essay Example

Sample details Pages: 3 Words: 857 Downloads: 3 Date added: 2019/06/26 Category Literature Essay Level High school Topics: Edgar Allan Poe Essay Did you like this example? No one knows how Edgar Allan Poe Died. People have many theories, such as brain tumors, rabies, suicide etc. Although, there was never any actually proof how he died. Don’t waste time! Our writers will create an original "Edgar Allan Poes Death" essay for you Create order He was given an autopsy, but the documents were never discovered. Cooping was one of the many theories of how he died. Cooping was used in the early 1800s for elections. Multiple men would be beaten, stripped of their clothing and forced to drink until they were drunk out of their minds. Then they were given new clothes and would be sent in to vote for a certain person. It was a way people cheated to get a certain candidate elected. This was very common. This is how Poe is believed by many to have died because of, where and when he was found, what would happen around where he was found and Poes overall health at the time. Edgar Allan Poe was found near a tavern in Baltimore, drunk and in bad condition. He was immediately rushed to a hospital where he soon died mysteriously a few days later. According to many sources he was found, Edgar Allan Poe Found Delirious Outside Baltimore Tavern. On Oct. 3, 1849(findingDulcinea Staff). Edgar was found on election day, the day cooping would have taken place all over Baltimore. When cooping happened the men were dressed in different clothes. Edgar was dressed in clothes he wouldnt normally wear. He was immediately taken to the nearest hospital where he remained in a febrile state, delirious and confused, drifting between vague awareness†babbling incoherently†and complete unconsciousness(Israel Centeno) Variety of sources prove that Ppoe was found in bad shape, like he had been drugged, or not sober. A stage in cooping was, beating the victim and forcing him to intoxicate himself with alcohol or other drugs. All these facts leave a variety of proof po inting his death to cooping. Was the fact he was found outside a poll in cooping condition just a coincidence? According to a source, Edgar was found around Ryans Fourth Ward Polls which was a place where people went to vote. At this time, election ballots were stolen, judges were bribed and voters for the other candidate were intimidated and pressured. So basically, at the voting building where Poe was found near, was where many bad people did bad things. Especially on election day, which was the exact time for cooping to take place. It says, Some gangs were known to kidnap innocent bystanders, holding them in a room, called the coop. (natasha Ggeiling) Then To ensure compliance, their victims were plied with liquor and beaten. Poe could have easily been grabbed, thrown in a room, and beaten for compliance. The odds are just too good for this death to be a coincidence. If Poe actually died from cooping, then he would have either been too injured to live or the liquor would have killed him leaving a small chance for him to survive. No, if you drink liquor once youre not going to die in a matter of a couple days. Although, Poe could have. Poe had an alcohol problem long before he died so he would have eventually ended up dying anyway. This just my have added the cherry on top. At the time he had barely any money, he was just getting by when he had to provide for his family. Now he couldnt even support himself, especially when he lost all hope when his family passed away. According to sources poor nutrition and a weakened condition(The Mysterious Death of Edgar Allan Poe) could have killed him. Think about it, if Poe wasnt eating a lot and was dehydrated then kidnapped and beatin his body would be able to handle it. He was already weak from not getting protein but this would have killed Poe. Besides the rich people in this time period, it was very har d for people to live long. People were not eating enough and the common cold could kill you. Poe wasnt upper class so he had as much of a chance to live as the poor boy that stole bread to survive. Poe was found outside a poll with different clothes and not in his right mind. Was this all just a big Coincidence? Or was Poe a victim of the act Cooping? People at the time were weak and did not live long. Poe may have made beautiful works of literature, but that didnt differ him from anyone else health (body strength) wise. Many facts point to Poe being a victim of cooping, but no one will ever know for sure. Centeno, Israel. The Cooping Theory. Sampsonia Way Magazine, www.sampsoniaway.org/fearless-ink/2013/06/04/the-cooping-theory-israelcenteno/. findingDulcinea. On This Day: Edgar Allan Poe Found Delirious Outside Baltimore Tavern. FindingDulcinea, www.findingdulcinea.com/news/on-this-day/September-October-08/Oct-3On-this-DayEdgar-Allan-Poe-Found-Drunk-and-Delirious-.html. Geiling, Natasha. The (Still) Mysterious Death of Edgar Allan Poe. Smithsonian.com, Smithsonian Institution, 7 Oct. 2014, www.smithsonianmag.com/history/still-mysterious-death-edgar-allan-poe-180952936/. Jaz. The Mysterious Death of Edgar Allan Poe. Edgar Allan Poe Society of Baltimore Articles E. A. P.: A Critical Biography (A. H. Quinn, 1941) (Chapter 01), www.eapoe.org/geninfo/poedeath.htm

Performance Management And Its Effectiveness - 1568 Words

Another challenge faced by performance management is the ability, or lack of, to actually improve the performance by employees to reach and achieve at a greater height than they already are (Armstrong, 2014). The organisations must circulate inspiration between employer and employee to garner more success in business matters and as a personal development process. An organisation must maintain a healthy and active level of staff inspiration during the interview and requires a continuous emotional, physical and mindful investment in themselves and others to ensure that it reaches a charitable capability. Motivation and contribution by staff to employees shouldn’t be left to rot and unnoticed, as naturally they’d become a thing of the past†¦show more content†¦Other organisations decide to ignore the central, uniformed and simplified approach to the system and instead suggest other approaches are specifically targeted for other people in other aspects. They break from the normality of the system and this alone can create new problems which can be left in the dark and so can’t be resolved. Some may look at the system and fine tune every detail and compartmentalise everything into an intricate, measurable process and go every little thing, which is time consuming and managers won’t be driven to act on something which is lengthy. This leads to issues where things can go uncovered and the employee won’t understand everything that’s been said nor gain any new, relevant insight into what to improve, the dos and don’ts. The key words when developing a performance management system is â€Å"simplicity†, because when it’s simple, it becomes easy flowing and you can assess individual aspects thoroughly and add input into what’s been done. However, simplicity is what some organisations avoid and create a nightmare of complications which aren’t necessary, in turn hindering the interview and making it pointless to the employee. Managers might overlook the necessity of the process if there’s too much jumble and jargon which they have to look through and explain, especially if it’s time consuming, some just don’t have

Descriptive Essay - Original Writing - 1226 Words

â€Å"Treasures Below† The car door slammed shut as my dad sounded the horn a few times. Mom and dad were off to visit my siblings at school. It is just me and the puppy, Mimi, roaming my newly lonely house. I whipped up a cup of hot coco, grabbed some marshmallows, then ran up the stairs straight to my bed, finding the netflix screen waiting for me. Bundled up in my covers on a rather chilly and windy fall night laid my doggie and I relaxing while watching the dramatic series of â€Å"90210†. I began to sink deeper into my comfy bed beginning to doze off, until I heard a creaking sound that seemed to be coming from below my bedroom floor carpet. Mimi’s little coal colored ears perked up in curiosity. I watched her every move, as she hopped down from the bed and just sort of wandered around my bedroom floor. She scoped out the area for a few seconds and seemed satisfied enough to resume her spot at the end of my bed. I pressed play continuing on to season five when I heard the sound once more. This time I could not just brush it off. I was scared and alone. At least I thought I was alone. I sprang out of bed straight to the window. There was nothing suspicious coming to my attention. I glanced at the window to see the corn stalks blowing in the wind and the horses grazing far out in the field, which was nothing unusual. Mimi was up and off the bed as well with her ears perked up in high alert. I hear the high-pitched sound again and begin to breath harder as my palms become dampShow MoreRelatedDescriptive Essay - Original Writing1110 Words   |  5 PagesI don’t know how I got to where I am, but I’m here now, and I have to win if I want to live. I am in a game, and in order to live, I have to escape. That’s the thing, though: I don’t know how to escape. I was running for my life around this old house that looked like it came straight out of a horror movie. I doubled over and held my head in pain as I saw the static, which meant it was coming. I was being chased by what looked like a person but in no way acted like one. Just as it was about to appearRead MoreDescriptive Essay - Original Writing1102 Words   |  5 PagesIt is on days like this when we stop to think about our life. Small drops of rain begin to dapple the cobblestone pavement as people whip out their umbrellas for cover. I continue sauntering down the busy street, relishing the feeling of a light shower. Moving with the mass of pedestrians, I stop at a crosswalk where I wait for the stoplight to turn green. A flower shop employee across the street scurries to bring in the numerous bouquets and close the doors as rain starts rolling down the displayRead MoreDescriptive Essay - Original Writing914 Words   |  4 PagesDreamy I thought. Standing on the corner is a young guy with a smile. I see him here almost every day, so I linger for a while. He tells me his name, and I tell him mine. I m Ester, what s your name? I enquired. My names David .,He replied. We end up talking for a while and I asked him if he had ever left this city. He tells me of all these stories of the places where he s been, the distant lakes and mountains, and in valleys oh so green. I can see it in his eyes, he really has beenRead MoreDescriptive Essay - Original Writing974 Words   |  4 Pages I was used to moving round, having a mother who liked to travel more than making roots was something I had gotten used to. Still, I had never gotten used to the loneliness of an empty house when she was out exploring, or the feeling of leaving behind someone who could have meant something to me. Our most recent move was Oregon. It was pretty, and I didn’t mind it, but it was much different than Florida. Not only was it opposite sides of the country, it felt as if it were opposite worlds. InRead MoreDescriptive Essay - Original Writing1012 Words   |  5 Pageshave plenty of time in the next month to think about my feeling in regards to Kendrick. I needed to finish up the article and get it off to my editor. I should be able to get it done by tonight and send an email in the morning. I was thinking of writing my next article about the sea life around the Scottish coast. Since our salmon dinner last evening I thought I would do a piece about the commercial salmon farming that began in Scotland in 1969. In 2002 over 145,000 metric tons of farmed AtlanticRead MoreDescriptive Essay - Original Writing1561 Words   |  7 PagesThere’s something I need to say and what follows may not be something that you’d expect, it won’t be heartening or uplifting. If you remember today, I told you about going somewhere I wanted to go to†¦ I’m not sure if you believed and accepted what I now confess as untrue; it is partly. I needed to pull away emo tionally†¦ from you. You must have had fathomed that some degree of formality had seeped between us. Born of habit, formulaic greetings had become a routine. You presume that I’m a close friendRead MoreDescriptive Essay - Original Writing1387 Words   |  6 PagesI was wearing a beautiful blue dress with sapphire gems all around the chest area as I entered the ball with Ciel and Sebastian. I took a good look around here, the hallway was lined with gold. There was a servant ready to escort us to the ball room. Hello, come this way. He said, walking forward. Wow, this place is so fancy! I exclaimed, looking around. It s fake gold. Ciel bluntly replied, bringing my hopes down. I sighed. Ciel sounded like he wasn t in a very good mood. Ciel, lightenRead MoreDescriptive Essay - Original Writing1287 Words   |  6 Pages In the morning, Caireann woke me up. She stood above my bed, shaking my shoulder. I opened my eyes, looking at her. Then I looked across the room to her empty bed. Andy s empty bed sat in the corner. I swallowed, climbing out of bed. Sleep well? Caireann asked me, starting out the door. Yeah, I said, going over to our small dresser. I had the bottom two drawers. Andy had the middle two, and Caireann had the top. I pulled open the drawers, pulling on a colorful tank top and a grayRead MoreDescriptive Essay - Original Writing1345 Words   |  6 PagesLater that night, I was behind the wheel of my G-Wagon with Melissa in the passenger seat. She didn’t feel like driving since she was on the road all day and I understood so I didn’t mind when she asked me to. I had been tight-lipped. She kept eyeballing me as if she detected that something was bothering me but I just kept singing to my India Arie as if I was carefree. â€Å"So are you going to tell me what’s going on or no† Melissa said disrupting my own personal concert. I stopped singing and tookRead MoreDescriptive Essay - Original Writing1085 Words   |  5 PagesI WAS SITTING IN a taxi, wondering if I had overdressed for the evening, when I looked out the window and saw Mom rooting through a Dumpster. It was just after dark. A blustery March wind whipped the steam coming out of the manholes, and people hurried along the sidewalks with their collars turned up. I was stuck in traffic two blocks from the party where I was heading. Mom stood fifteen feet away. She had tied rags around her shoulders to keep out the spring chill and was picking through the trash

Animal research is irrelevant to our understanding of human mental health Free Essays

Animal research has played a major role in answering fundamental questions in many areas of psychology. The need for animal testing to enhance human health research has been made evident by the work of Charles Darwin on the evolutionary link between animals and humans. This essay will discuss whether animal research can improve our understanding of human mental health, more specifically mood disorders, and will consider both contributes and limitations of the application of animal models to study human disorders. We will write a custom essay sample on Animal research is irrelevant to our understanding of human mental health or any similar topic only for you Order Now The evolutionary stance postulates that emotions are a universal feature developed during an evolutionary process that lasted thousands of years. Research has shown that although humans public displays of emotions may vary depending on the social and cultural context, basic emotions such as joy and fear have a biological basis which is common to the whole human species. This same biological basis is found in non-humans animals, especially in mammals, as evidenced by the work of Charles Darwin (Darwin, 2009 [1872], cited in Datta, 2010), which highlighted the similarities between humans and animals in their expressions of emotions. Animal research have greatly contributed to our understanding of the brain structures involved in perceiving emotions; on this topic, Paul MacLean (1990, cited in Datta, 2010) proposed a ‘triune brain model’ suggesting that the brain had evolved in a series of three layers, adding complexity in brain functioning, including perception of emotions. The most ancient layers in evolutionary terms, the reptilian brain (that controls the body’s vital function in response to a specific stimulus) and the limbic brain (whose main function is to record memories of experiences associated with specific emotions, and to influence our behaviour in response to these memories), are found respectively in reptiles and mammals, while the last layer, termed ‘neocortex’ (which underlies the brain’s most complex functions, such as abstract thought and language), is a unique feature of the brain of humans and of its closest relatives, apes and monkeys. Given the biological affinity between humans and animals, it is unsurprising that animal research plays a major role in investigating the biological bases of behaviour in human mood disorders. During an experiment involving mice to test the efficacy of ADMs in treating depression and anxiety, Santarelli et al. (2003, cited in Datta, 2010) found that suppressing neurogenesis made ADMs ineffective, uncovering the crucial role of this process in the development of mood disorders. Another experiment conducted by Mitra and Sapolsky (2008, cited in Datta, 2010) on rats has shed light on the correlation between stress and anxiety. Mitra e Sapolsky induced chronic stress in rats by injecting them with corticosterone to investigate the physiological and behavioural effects that this condition would produce. They discovered that the very structure of their neurons had changed, with more dendrites sprouting in the amygdala area (whose hyperactivity has been find to be a common trait in mood disorders); moreover, rats who received corticosterone showed increased anxiety during their performance in mazes. Mitra and Sapolsky concluded that a short-term stressful experience was sufficient to shape the structure of the amygdala, and to cause long-term anxiety. Datta (2010a) suggests that these effects are similar (and therefore could be relevant) to PTSD symptoms in humans. Contribution of animal research is not limited to biological aspects of mood disorders. Two experiments conducted by Meaney and coll. (2001, cited in Datta, 2010) and by Nestler and coll. (Tsankova et al. 2006, cited in Datta, 2010) have helped to clarify the extent to which genetics influences the development of mood disorders. Meaney and his team at McGill University investigated the role of early life experiences on the development of mood disorders by comparing the stress response of rats whose mothers groomed and licked them more in their first days of life, with that of rats whose mothers were less caring, discovering that nurture can be as crucial as nature in defining behaviour in adulthood. In a second experiment conducted by the same authors, the pups of the anxious, less-caring mothers were placed with the more caring, less-anxious mother, and viceversa: results showed that, regardless of their genetic propensity to anxiety and stress, maternal care played a crucial role in shaping the pups’ behaviour. The work of Nestler and coll. focused yet on another epigenetic factor that affects the development of depression; researchers induced helplessness, a state similar to depression, in a group of mice, which as a consequence showed socially avoidant behaviour and lower levels of BDFN. Both effects were, however, reversible with ADMs treatment. In addition, other researchers conducted on rhesus monkeys have linked the role of social hierarchies to the development of stress, which can be relevant in understanding the pressure of modern societies on individuals (Datta, 2010b). As well as defining which factors are involved in the development of human mood disorders, animal research has greatly contributed to the development of effective pharmacological treatments (the efficacy and tolerability of ADMs on human organism are indeed assessed with experiments on animals) and behavioural therapies based on the findings of classic experiments from B. F. Skinner and other influential psychologists, which were carried out on animals. We have considered how animal research have contributed to scientific understanding of mood disorders, but these observations should be juxtaposed with a brief reflection on its limits in terms of applications of animal models to humans. First, while humans and animals share a biological affinity, it seems hazardous to many to blindly apply the findings obtained from experiments on rats, pigeons or other lab animals on human patients; humans are indeed extremely complex animals, whose behavior is influenced by many biological, psychological and social factors. A second limit concerns the difficulty in obtaining a direct account from the animal of his cognitive and emotional experience. Despite these considerations, animal research is still an essential methodological tool for modern psychological research. Much of the scientific progress in understanding mood disorders was obtained from experiments on animals that for various reasons (economic, methodological, ethical) could not have been substituted by alternative research methods such as human experimentation or computer models. Until researchers will find alternative means to investigate human brain and behaviour, it seems that, for the mentioned reasons, animal research will remain an essential part of psychological research. How to cite Animal research is irrelevant to our understanding of human mental health, Essays