Saturday, November 30, 2019
Memory Study Essays - Memory, Mental Processes, Implicit Memory
Memory Study The study of human memory and in particular the attempts to distinguish between different types of memory have benn investigated for the last century. Philosophy, psychiatry and psychologh have all contributed to this study. Korsakoff, Freud and Ebbinghaus are among the early contributers. Although their observations were not always methodological as strict as with current research they did play a vital role. One critisim of the early work was that there were few attempts to develope theroetical accounts of the dissociations that they observed (Schacter, 1989). This is of great importance to the study of implicit memory. One of the earliest uses of 'implicit' and 'explicit' memory distinctions in research was by Wiliam McDougall (Outline of psychology, 1924). This distinction defined 'explicit' memory as involving conscious recollection of a past event and 'implicit' memory as involving a change in behaviour that is attriduted to a recent event but contains no conscious recollection or explicit reference. (Schacter, 1989). Much of the controvacy that surrounds implicit memory study centeres arround its definition. Whether it defines the pretest situation or a theoritical construct of the underlying memory process. The main argument is that if similiar items must share common features if they are to belong to the same catagory of test or process. " Some ttheorists, for example, have argued that different manifestations of memory are attributable to the operation of the distinct memory systems(e.g. Schacter 1989; Squire 1992; Tulving 1993; Tulving and Schacter 1990). Others argue that these different manifestations are consistent with a process viewpoint (e.g. Jacoby et al. 1989a; Kolers and Roediger 1984; Roediger 1990; Roediger et al 1989)." From Richardson-Klavehn (1996). To explicate the positions, a review of the experimental evidence is necessary. Recently five main areas have informed research into implicit memory, Schacter (1989).These are savings during learning, effects of subliminally encoded stimuli, learning and conditioning without awareness, repetition priming and preserved learning in amnesic patients. These are reviewed in turn. Savings are the ability to relearn previously learned material in the absence of any knowledge of the previous learning situation. Although there is an influence of the previous learning situation on proformance. The most conclusive evidence for this comes from Nelson (1978), who has shown savings for items that are neither recalled nor recognised. Studies have demonstrated implicit memory for subliminal or briefly exposed stimuli under conditions in which subjects had no explicit memory. An auditory divided attention task in which homophones were presented on the unattended channel together with word intended to bias the low frequency interpretation of the homophone (e.g. taxi - FARE ), Eich (1984). Lewicki (1985) found that after exposure to adjective -noun pairs, subjects tended to choose the adjective that they had been exposed to when they were asked about the noun. Schacter (1989). Learning without awarness has been shown it rule learning studies. Subjects were shown letter strings from an artifical grammer and were able to identify grammatically correct strings even though they were not conscious of the propper rules, Reber (1976) called this implicit learning. Repetition Priming effects have been characterised by lexical decision, woed identification and word stem of fragment completion tasks. This area derives from two distinct and at times The study of human memory and in particular the attempts to distinguish between different types of memory have benn investigated for the last century. Philosophy, psychiatry and psychologh have all contributed to this study. Korsakoff, Freud and Ebbinghaus are among the early contributers. Although their observations were not always methodological as strict as with current research they did play a vital role. One critisim of the early work was that there were few attempts to develope theroetical accounts of the dissociations that they observed (Schacter, 1989). This is of great importance to the study of implicit memory. One of the earliest uses of 'implicit' and'explicit' memory distinctions in research was by Wiliam McDougall (Outline of psychology, 1924). This distinction defined 'explicit' memory as involving conscious recollection of a past event and 'implicit' memory as involving a change in behaviour that is attriduted to a recent event but contains no conscious recollection or explicit reference. (Schacter, 1989). Much of the controvacy that surrounds implicit memory study centeres arround its definition. Whether it defines the pretest situation or a theoritical construct of the underlying memory process. The main argument is that if similiar items must share common features if they are to belong to the same catagory of test or process. " Some ttheorists, for example, have argued that different manifestations of memory are attributable to the operation of the distinct memory systems(e.g. Schacter 1989;
Tuesday, November 26, 2019
The eNotes Blog On the Nightstand What Books Did You Get ForChristmas
On the Nightstand What Books Did You Get ForChristmas One of the things I like best about Christmas is that I always get new books to read that I did not have to pay for myself. While I do have an e-Reader, there is still something about the heft, touch, and smell of a book that I especially prefer for a bit of pre-sleepytime reading. This year, I mustve been very good as I got several titles, among them two I am trying to savor slowly, like the last few Godiva chocolates left in the sampler (Oh, okaywho am I kidding? Those were consumed before the day was over). This Christmas, I got two books that I have been pawing over:à Arguably Essays by (the late, great,à much-missed) Christopher Hitchens andà Smoke and Mirrors by (the incomparable) Neil Gaiman. Here are a five of the most popular titles, likely given as gifts, culled from the New York Times Best Sellers list for the week of 12-11 to 12-25, about the time your own elves were out shopping and wrapping for you. Did you receive any of these books? If so, have you read them yet? What do you think? Or, what did works did you receive that you love (or hate)? Were interested to hear what everyone is reading! The Drop by Michael Connelly Description from Amazon.com:à Harry Bosch has been given three years before he must retire from the LAPD, and he wants cases more fiercely than ever. In one morning, he gets two. DNA from a 1989 rape and murder matches a 29-year-old convicted rapist. Was he an eight-year-old killer or has something gone terribly wrong in the new Regional Crime Lab? The latter possibility could compromise all of the labs DNA cases currently in court. Then Bosch and his partner are called to a death scene fraught with internal politics. Councilman Irvin Irvings son jumped or was pushed from a window at the Chateau Marmont. Irving, Boschs longtime nemesis, has demanded that Harry handle the investigation. Relentlessly pursuing both cases, Bosch makes two chilling discoveries: a killer operating unknown in the city for as many as three decades, and a political conspiracy that goes back into the dark history of the police department. 11/22/63: A Novelà by Stephen King Description from Amazon.com: On November 22, 1963, three shots rang out in Dallas, President Kennedy died, and the world changed. What if you could change it back? Stephen Kingââ¬â¢s heart-stoppingly dramatic new novel is about a man who travels back in time to prevent the JFK assassination- a thousand page tour de force. The Help by Kathryn Stockett Description/Review from Sybil Steinberg ofà The Washington Post:à Southern whites guilt for not expressing gratitude to the black maids who raised them threatens to become a familiar refrain. But dont tell Kathryn Stockett because her first novel is a nuanced variation on the theme that strikes every note with authenticity. In a page-turner that brings new resonance to the moral issues involved, she spins a story of social awakening as seen from both sides of the American racial divide. The Girl with the Dragon Tattoo by Stieg Larsson Description from Publishers Weekly:à This first of a trilogy introduces a provocatively odd couple: disgraced financial journalist Mikael Blomkvist, freshly sentenced to jail for libeling a shady businessman, and the multipierced and tattooed Lisbeth Salander, a feral but vulnerable superhacker. Hired by octogenarian industrialist Henrik Vanger, who wants to find out what happened to his beloved great-niece before he dies, the duo gradually uncover a festering morass of familial corruption- at the same time, Larsson skillfully bares some of the similar horrors that have left Salander such a marked woman. Larsson died in 2004, shortly after handing in the manuscripts for what will be his legacy. Steve Jobs by Walter Isaacson Description/Review from Janet Maslin, The New York Times: â⬠Skeptic after skeptic made the mistake of underrating Steve Jobs, and Mr. Isaacson records the howlers who misjudged an unrivaled career. ââ¬Å"Sorry Steve, Hereââ¬â¢s Why Apple Stores Wonââ¬â¢t Work,â⬠Business Week wrote in a 2001 headline. ââ¬Å"The iPod will likely become a niche product,â⬠a Harvard Business School professor said. ââ¬Å"High tech could not be designed and sold as a consumer product,â⬠Mr. Sculley said in 1987. Mr. Jobs got the last laugh every time. ââ¬Å"Steve Jobsâ⬠makes it all the sadder that his last laugh is over.
Friday, November 22, 2019
Benihana of Tokyo
Benihana of Tokyo Benihana of Tokyo has been very successful for the last 40 years since 1964. From a small restaurant, it has developed into a chain of themed restaurants. The success of Benihana has been attributed to the superb total quality management (TQM) process especially in maintaining the overall exotic ambience and the high quality food provided. All these strengths contribute to providing an unforgettable dining experience to its consumers and are reflected in their ability to retain consumers which is shown in exhibit 4 such that 65. % of their customers are return customers. Benihana is able to minimize cost effectively without affecting the quality of food and service provided. From Exhibit 1, total costs of sales are kept to 35-45% of total sales. Their attempt to reduce operating costs is also reflected through a reasonable net profit margin of 0. 5-9% of sales. Benihana made use of floor space efficiently to decrease labor costs and rent. The elimination of the conventional kitchen with the hibachi arrangement allows the company to keep labor costs low and at the same time, give huge amount of attentive service. This boosted its dining experience, through constant interaction with consumers. Benihana also focuses on setting up their businesses in areas with high traffic, especially in the business district areas. Rent is usually higher in these areas. By using floor space more efficiently, Benihana is able to serve more consumers during peak period and allow for more sales to cover the higher rental costs. The concept that Benihana adopts is that consumers are served at their tables with freshly prepared food by the chef. By only providing 3 menus to consumers, this reduces food costs and wastage. Benihanaââ¬â¢s lower food costs are also reduced through the use of fresh ingredients, where storage is minimized. The main process flow of a Benihana restaurant is different from a typical restaurant. In Benihana, the orders for the soup, salad and beverages taken by the waiter while the order for the main dish is taken directly to the chef. This allows Benihana to quicken the process flow, and make it more efficient, as it eliminated the waiting time in ordering and receiving their orders. As the food is freshly prepared, the production flow is very short as there is limited movement to the food being moved from the storage area to the tables where food is being prepared. As food is being served on the spot after being cooked, this allows Benihana to maintain their quality of the food, and this satisfies consumers as shown in their feedback in Exhibit 4, where food is the main highlight of Benihana restaurants. Benihana is also able to reduce labor costs through the use of a simple management structure in each of their restaurant. In addition, chefs and waiters would clear the dishes and set the table for the next customer, unlike the use of cleaners in typical restaurants. This also reduces labor costs. Benihana success is also attributed to their TQM system where the management also emphasizes the importance of quality control in every employeeââ¬â¢s responsibility. They emphasize quality in their inputs like the high quality food provided, and the sources of food are also selected carefully. Benihana also highlight quality in the process of serving their food to their consumers. However, the management of Benihana also faces problems despite their raving success. Their attempts to go into franchising didnââ¬â¢t go as planned as Rocky was unwilling to give up its control, and he felt that these franchisees were not well equipped with the experience and knowledge to run a food business, especially one that relates with Japanese culture. In addition, Bill Susha, the head of Operations for Benihana recognizes that if Benihana wants to continue to expand, it will face higher costs in terms of rental as well as shortage of well trained employees. Although Benihana has been proven that their uniqueness cannot be replicated easily by competitors, critics have been predicting that the uniqueness of Benihana is only a fad and it will not last. As Benihana is providing not only products, but also the service, they should continue to emphasize and improve on their TQM, as in this industry, employees are key input sources and by implementing TQM, there will be positive impacts on the service being delivered.
Wednesday, November 20, 2019
Functions of carbohydrates,vitamisn,fats,minerals,protein,h2O Essay
Functions of carbohydrates,vitamisn,fats,minerals,protein,h2O - Essay Example nly used; it is normally obtained as a result of digestion of such disaccharides (double sugars) as a source of cane sugar, maltose from cereal grains or from polysaccharides The glucose level of the blood is stabilized by storage of surplus amounts of glycogen (body starch), and their subsequent reconversion and release at a later time when blood levels again become low. Fructose and galactose are two other simple sugars that may be utilized directly for energy production; Carbohydrates contain three elements: carbon, oxygen and nitrogen; their relatively high oxygen content enables them to oxidize cleanly, yielding only carbondioxide and waste product, thus making them a very efficient energy source. Although caloric needs may also be met by fats and proteins, a minimum amount of carbohydrates is essential for safe metabolism of fats. Fats reduced to 25% or less, is the minimum amount which is needed for good health. One of its most valuable functions is the transport of the fat soluble vitamins A and D which are essential to life itself. A moderate amount of fat in oneââ¬â¢s diet can increase and maintain the feeling of satiety or satisfaction following a meal because it slows the rate at which food is moved out of the stomach. The relatively high carbon and hydrogen content of fat makes it highly concentrated source of fuel, a dietary feature that is sometimes useful during cold weather when caloric needs are high. A moderate amount of stored fat is also useful as a means of insulation against cold and as a protection for certain vital organs such as kidneys. Proteins contain nitrogen and sulphur, in addition to carbon, hydrogen and oxygen as in carbohydrates and fats. Their molecular structure is quite complex and consists of numerous smaller components termed amino acids. Although the body can synthesize many of the 23 amino acids that are known to exists, 8 of these essential components cannot be synthesized and must be obtained from oneââ¬â¢s diet.
Tuesday, November 19, 2019
West Coast Mainline Modernisation. Project Analysis Essay
West Coast Mainline Modernisation. Project Analysis - Essay Example The various transportation facilities and infrastructure that are developed in the process are roads, bridges, rails and other facilities that aid in mobility and access. These developments are done in stage or per project basis that ascertains specific end-results employing project management. Project Management is previously a management philosophy that soon evolved into a business process (Kerzner, 2009). It involves planning, organising, securing and managing resources to achieve goals. It is to be understood that a project has its specific start and ending, and is dependent on time, budget or funding, and deliverables. It is usually expected to bring positive or beneficial results. Its temporary nature make it unique from business operations which is a continuous one or somewhat permanent in the delivery of products or services. This paper will discuss and analyse a rail industry project ââ¬â the West Coast Main Line Modernisation - and describe the project management proble ms encountered in this project completion. In the project implementation of a rail, various management stages involved are Output Definition, Pre-Feasibility, Option Selection, Single Option Development, Detailed Design, Construction, Testing and Commissioning, Scheme Handback and Project Close Out (Network Rail, 2003). â⬠¢ A brief description of your chosen project. The West Coast Main Line or WCML is the rail backbone of United Kingdom when it comes to importance and number of populations served. It underwent several modernisation stages and the latest of which was the Network Rail modernisation that commenced by the 1990s. Plans for the upgrade and renewal of the line by Virgin Trains for the tilting Pendolino trains with increased speed of 140 mph or 225 km/h was aborted when deemed ambitious. The proposed upgrade involved the adoption of the moving block signalling which worked with light rail systems and metro lines, but not yet proven with high-speed heavy rail network (O ffice of Rail Regulation, 2007). Owned by Network Rail, WCML is the busiest mixed traffic railway route provider, an intercity link connecting London, Birmingham, Manchester, Liverpool and Glasgow to the West Midlands, North West, North Wales, and the Central Belt of Scotland. Handling about 75 million passengers per annum translated to about 43% of UKââ¬â¢s rail freight traffic, it is also links many other smaller towns and cities serving as a suburban railway. The various operators of the WCML are Virgin Trains, East Coast, London Midland, Southern, CrossCountry, First TransPennine Express, Northern Rail, Arriva Trains Wales, First ScotRail, DB Schenker Rail (UK), GB Railfreight, Freightliner Ltd., and Direct Rail Services Ltd (Network Rail, 2007). It was designated a priority Trans-European Networks route. It connects to European mainland via the Channel Tunnel. In 1955, it was modernised and electrified implemented in stages from 1959 to 1974. Electrification was first implem ented on the route from Crewe to Manchester completed by 1960, followed by Crewe to Liverpool by 1962, London by 1965, Birmingham by 1967, and Weaver Junction to Glasgow by 1974. The introduction of the Inter-City brand in 1966 came with high-speed long-distance services where journey clocked in 2 hours and 40 minutes from London to Manchester or Liverpool (Thomas, 1971). Modern coaches followed with the Mark 2 and air-conditioned Mark 3, and soon linespeed was raised to 110 mph or 177 km/h with electric locomotives that doubled passenger traffic from 1962 to 1975 (British Railways
Saturday, November 16, 2019
Ideology refers to a set of consistent ideas Essay Example for Free
Ideology refers to a set of consistent ideas Essay Indeed, it encompasses the ideas that appear dominant enough to give reasonable explanations to the world in such a way that it appeals to the simple mind and can become the propelling force for his daily interactions among humans. Is defined as ââ¬Ëa form of social or political philosophy in which practical elements are as prominent as theoretical ones. It is a system of ideas that aspires both to explain the world and to change it. ââ¬â¢[Britannica Online Encyclopedia] It can also be described as a belief system shared by a specific group of people; the system determines the schema with which they see life and interpret events. It forms the basis of schema formation and modification. This refers to a system of politic that teaches a particular idea to group of people with a view to integrating their cognitive and affectionate skills into such ideas. It is an attempt to sell an idea perceived to be the ideal norm to guide the affairs of a clan of people towards productive living and stable community. Marx devised a base/superstructure model of society where society is greatly influenced by the dominant force-ruling-class, especially in terms of economic factors more than anything else. This model emphasizes the major influence the ruling class has through the superstructure over the base, because of their control of economic forces. The emphasis on economic factors as a major determinant in the model has endeared it to the heart of many critics. Suffice to say that indeed Karl Max has contributed immensely to the understanding of ââ¬Ëideologyââ¬â¢ in relation to the areas where it has found application: politics, religion, economics, etc. REFERENCES Britannica Online Encyclopedia. http://www. britannica. com/eb/article-9106294/ideology Concept of ideology. Accessed from http://tarlton. law. utexas. edu/lpop/etext/lsf/suretsky5. htm Conceptions of Ideology. Accessed from scholars. nus. edu. sg/post/poldiscourse/marxideology. html John, Lyne. Ideology, Accessed from scholars. nus. edu. sg/post/poldiscourse/marxideology. html.
Thursday, November 14, 2019
Calorimeters :: Papers
Calorimeters This is a investigation into how heat transfer is effected when different variables are changed, when boiling water is in a colorimeter. Variables These are the variables which are available for me to change: 1. Different insulators e.g. Foam or Cotton Wool, Polystyrene. 2. The temperature of the water at the start of the experiment. 3. Whether or not the calorimeter has a lid on or not. 4. Different conductors e.g. Copper, Wood, other metals. 5. The amount/Volume of water. Prediction These are my predictions for each variable: 1. Different insulators work better than others. Different insulators will have different effects, because of what they are made of, if the material is a metal, it will conduct the heat, a non-metal will insulate the heat, some better then others. 2. If the starting temperature is higher, then I predict it will be higher at the end too, because the energy lasts longer in the hotter water. 3. If the lid isn't on more heat will be lost, because the heat will rise. 4. Different conductors have different effects too. Some conductors conduct the heat quicker than others. e.g. Copper will transfer the heat quicker than wood. 5. If there is less water there would be a smaller surface area to volume ratio so less water will transfer less heat, and more will enhance the transfer Planning I will investigate different amounts of water and different insulators. I will use these different quantity's of water: à ¢Ã¢â ¬Ã ¢ 20cm cubed à ¢Ã¢â ¬Ã ¢ 40cm cubed à ¢Ã¢â ¬Ã ¢ 60cm cubed à ¢Ã¢â ¬Ã ¢ 80cm cubed à ¢Ã¢â ¬Ã ¢ 100cm cubed ( I will also change the insulator on this one) Equipment Used I will use the following equipment: à ¢Ã¢â ¬Ã ¢ Calorimeter. à ¢Ã¢â ¬Ã ¢ Kettle. à ¢Ã¢â ¬Ã ¢ Thermometer. à ¢Ã¢â ¬Ã ¢ Measuring Cylinder à ¢Ã¢â ¬Ã ¢ Insulators (Available insulators e.g. Foam). à ¢Ã¢â ¬Ã ¢ Stopwatch. Method I will measure the five different amounts of water and poor them into
Subscribe to:
Posts (Atom)