Are there differences in the types of dreams that occur at different Essay

Are there differences in the types of dreams that occur at different times & Describe how sleep changes during the course of one night - Essay Example Polysomnography reveals a 50% drop in activity between alertness and phase 1 sleep. The eyes are shut during phase 1 sleep, but if woken up from it, then an individual might feel as if they have not slept yet. Stage 1 might last between 5 to 10 minutes (Harris 23). Stage 2 is a time of light sleep where polysomnographic readings portray irregular peaks and valleys, or negative and positive waves (Harris 24). These waves show spontaneous phases of muscle tone joined with phases of muscle relaxation. Muscle tone of this type can be witnessed in other phases of sleep as a response to audio stimuli (Jung 53). The heart deep slows, plus body temperature goes up. At this stage, the body gets ready to go into a deep sleep. These stages are deep sleep phases, with Stage 3 being less intense compared to Stage 4. These stages are referred to as delta or slow-wave sleep (Harris 24). In slow-wave sleep, particularly during Phase 4, the electromyogram records sluggish waves of high amplitude, showing a pattern of rhythmic continuity and deep sleep (Harris 24 and Jung 54). The time of non-REM sleep, abbreviated as NREM, comprises of phases 1 to 4 and lasts between 90 minutes to two hours, each phases lasting roughly five to 15 minutes (Harris 25). However, surprisingly enough, phase 2 and phase 3 reiterate backwards prior to attaining REM sleep. Thus, a normal sleep sequence has this pattern: waking, stage 1 to 4, and then back to 2 via 3, REM. In essence, REM sleep takes place just 90 minutes following sleep onset (Harris 25). REM sleep is discernible from NREM sleep through transformations in physiological states, including its distinguishing fast eye movements (Harris 25). Nevertheless, polysomnograms reveal wave patterns in REM similar as the ones in phase 1 sleep (Jung 57). During normal sleep (in individuals missing disorders of wake-sleep patterns or REM behaviour disorder), respiration and heart rate accelerate and become irregular, whereas the legs,

My Future Career Goals Essay Example | Topics and Well Written Essays - 750 words

My Future Career Goals - Essay Example Thinking about my career goals, I recognized my desire for what it is—a calling, a passion, my own true destiny. Despite all my righteous anger at faulty structures in the health care system and the medical curriculum, I maintain my belief in the underlying nobility of the medical profession and its potential to effect profound and positive social change. I have a great desire to enter a university because its curriculum and programs represent a unique mixture of theoretical guide effectively applied to the practice field that will have a great impact on immediate and future success in my professional education. I understand clearly well that this it opens doors to many opportunities for career growth not otherwise available. Current college programs, teach me to think critically, to question the nature of power structures, to seek historical context, to ask what is at stake, and to disregard and debunk dogma. Now I find myself going out on a limb merely by suggesting that per haps we need more education and discussion around such topics as alternative medicine, ethics in the pharmaceutical industry, and medical practices. Taking into account my personal aspirations and qualities, I can say that I will be able to cope with career demands being well prepared, motivated and committed to pursuing my Master’s degree. My personal attitude towards this matter will help me to overcome all possible difficulties, and experience that I have will be a great support to me in mastering the medical profession.... Education and clear career goals are the first major steps that increase personal values of everyone and create new opportunities to succeed. Thinking about my career goals, I recognized my desire for what it is—a calling, a passion, my own true destiny. Despite all my righteous anger at faulty structures in the health care system and the medical curriculum, I maintain my belief in the underlying nobility of the medical profession and its potential to effect profound and positive social change. For me, the privilege of being a student at a medical university (course and program) includes the rights of idealism, intellectual ferment, and independence of thought. I have a great desire to enter a university because its curriculum and programs represent a unique mixture of theoretical guide effectively applied to the practice field that will have a great impact on immediate and future success in my professional education. I understand clearly well that this it opens doors to many opportunities for career growth not otherwise available. A college education is only the first step in my career, but it will have a great impact on my choices and knowledge level. Current college programs, teach me to think critically, to question the nature of power structures, to seek historical context, to ask what is at stake, and to disregard and debunk dogma. Now I find myself going out on a limb merely by suggesting that perhaps we need more education and discussion around such topics as alternative medicine, ethics in the pharmaceutical industry, and medical practices. Taking into account my personal aspirations and qualities, I can say that I will be able to cope with career demands being well prepared, motivated and committed to pursuing my Master’s degree. My personal attitude towards this matter will help me to overcome all possible difficulties, and experience that I have will be a great support to me in mastering the medical profession.

Brain Injury Essay Example | Topics and Well Written Essays - 2000 words

Brain Injury - Essay Example Such as, it may bring about memory loss, affects speed, duration and interpretation of the process of information involving sensory perception with existing knowledge. Also possible reaction time obstruction can lead to a decline in productivity or injury in some cases along with motor disability. All of this leads to concentration problems, irritation, understanding language, impulsiveness, seizures, headaches, unpredictable behaviour, skills detriment and difficulty in learning and carrying out daily activities. Diagnosing brain injury is a difficult process because injuries to the brain mostly go undetected. There are several reasons of this; neurological tests fail to detect cases of brain injury because these are not sensitive to detection equipment. Secondly, casual communication of doctors with patients may not show any indication of it. Even the patients themselves are not aware of symptoms and take them lightly if they are. On the other hand, close observation of such people may verify the differences in behaviour as alteration in one's temperament occurs to some extent. All this aids in determining the seriousness of the injury also the people closely related to the injured may comprehend behavioural changes instinctively. It is unknown how many patients acquire brain injury because several injured persons aren't hospitalized at all; in fact it has decreased2. The most common cause of brain injury is accidents involving vehicles which account for half of all brain injuries in America alone and child abuse in children. Although, aged people are more vulnerable to these injuries as of their tenuous brains but it effects young people the same way even if the injuries are not that serious. In addition, patients suffering from brain injury are most likely to have further injuries to their brains. Children especially the ones not in school yet are in the least danger of acquiring such an injury though they may suffer from one due to a serious fall. The troubles of rehabilitation are not only physical but also cognitive, psychological and behavioral that can cause long-term problems such as acute management, memory loss and social limitations. However, further advancement in technology makes it easier for the therapists and rehabilitation to make use of products especially designed for people with abilities3. Adaptations Treatments devised for the sufferers of brain injury are different for individuals of different ages like preschoolers, adolescents in school, employees and retired persons. For the benefit of all the patients, therapies determining the effects brain injury have on the performance of an individual are developed. Cognitive therapy involves understanding differences in before and after performance of the patient and focusing on changes in skills or reasoning. It happens often that patients face hard time expressing themselves and understanding others which is helped through speech therapy. Patients deal better if they are focused on developing skills and increasing productivity as they will pay less attention to their problems emotionally. While, psychological therapy aims to assist patients adapt better to the symptoms of brain injury such as acceptance of how they are now compared to prior injury. The psychological adaptations are important in daily activities, recreation and

The Capital Asset Pricing Model (CAPM) isn't wrong. It just doesn't go Essay - 1

The Capital Asset Pricing Model (CAPM) isn't wrong. It just doesn't go far enough. Discuss - Essay Example by the quÐ °ntity betÐ ° (ÃŽ ²) in the finÐ °nciÐ °l industry, Ð °s well Ð °s the expected return of the mÐ °rket Ð °nd the expected return of Ð ° theoreticÐ °l risk-free Ð °sset. The cÐ °pitÐ °l Ð °sset pricing model (CÐ PM) theory Ð °ssumes thÐ °t Ð °n investor expects Ð ° yield on Ð ° certÐ °in security equivÐ °lent to the risk free rÐ °te (sÐ °y thÐ °t rÐ °te Ð °chievÐ °ble on six-month TreÐ °sury bills) plus Ð ° premium bÐ °sed on mÐ °rket vÐ °riÐ °bility of return X Ð ° mÐ °rket risk premium. In Winter 1991, the mÐ °rket risk premium on listed U.S. common stocks Ð °ppeÐ °rs to hÐ °ve been Ð °bout 6.5%, Ð °ccording to stÐ °tistics published in the QuÐ °rterly Review, Winter 1991, by the FederÐ °l Reserve BÐ °nk of New York (though the Ibbotson study found it to exceed 8% from the mid 1920s through 1987). Thus in Ð ° period of 4% inflÐ °tion, the T-bill rÐ °te might be Ð °ppropriÐ °tely 4.5 to 5%; Ð ° four- or five-yeÐ °r TreÐ °sury note should hÐ °ve Ð ° yield of 5.5 to 6%; TreÐ °sury bonds should yield Ð ° percent higher thÐ °n this; Ð °nd corporÐ °te bond yields should hÐ °ve even higher returns to co mpensÐ °te for their Ð °dditionÐ °l credit or business risk. The cÐ °pitÐ °l Ð °sset pricing model for this scenÐ °rio suggests thÐ °t Ð °nnuÐ °l returns on low-betÐ ° electric utility might be .05 + .50 betÐ ° (.065) = 8.25%. Ð bout 75% of this might come from dividends Ð °nd the bÐ °lÐ °nce from expected growth in dividends over Ð °n extended time period. By contrÐ °st, Ð °n Ð °verÐ °ge stock with Ð ° betÐ ° of 1.00 should provide Ð ° rÐ °te of return of 4.5 to 5.0% plus the mÐ °rket premium of 6.5% or between 11 Ð °nd 12%. Ð  high-betÐ ° stock (one operÐ °ting in Ð ° cyclicÐ °l industry, for exÐ °mple) with Ð ° betÐ °, or relÐ °tive mÐ °rket volÐ °tility in price, of 1.50 should provide Ð ° mÐ °rket return of 5.0% + 1.50 (0.065) or Ð °bout 15%. We could convert these from eÐ °rnings price rÐ °tios to price-eÐ °rnings (P-E) rÐ °tios Ð °nd determine thÐ °t the electric utilities, in this scenÐ °rio, should trÐ °de Ð °t Ð °bout Ð ° 12 Ãâ€" P-E rÐ °tio Ð °nd the high-betÐ °

E-commerce and globalization Assignment Example | Topics and Well Written Essays - 750 words

E-commerce and globalization - Assignment Example and taking into consideration the virtual space that has been created by the internet, coupled by the globalization of trade and the lifting of trade barriers by various governments, Amazon has been able to conquer nearly all parts of the world by its online businesses (Lynch, 2003). This has led to the classification of commerce as a specialized activity and special experience with Amazon becoming the largest commerce site for the selling of books and goods online. The first advantage relates to the experience that a person gets when browsing through the wide range of books online. Second, online selling spares buyers the time of moving around stores to sample the books that they need. Instead, one only has to do a click of their computer’s mouse and they have a wide range of books to sample. A person only needs to know about the name of the book as most people are unfamiliar with the ISBN concept. Third, online sale of books at Amazon Inc. entails very secure and simple buying procedures that any computer literate customer with basic skills would easily manage (Barfield, 2003). The payment procedures are also simple to use as a person would only require a PayPal account or credit card to make purchases. Subsequently, online sale of books allows the customers the opportunity to select between old and new books assuming that the old books are recalled when still in good condition. Nearly all books are available online and if not a request can be easily made for the same. Online sale of books is also efficient in the sense that one may just order online and then have the book delivered to their houses without having to move at an extra but, lesser aggregate cost. Finally, online shopping of books accords a buyer with the opportunity to assess books from different authors and publications. First, the buying and selling of books is at an extra internet cost that most people are unaware about. In most instances, these books that have to be sold online are to be

Consider all of the elements of control used by the Party in the Coursework

Consider all of the elements of control used by the Party in the selections from Nineteen Eighty Four - Coursework Example Police were feared to the extent that it was thought everywhere any time one was being seen by a police officer. This made the masses as seen in the behavior of prisoners timid and as such they couldn’t even air out their minds. There were arbitrary arrests and convictions without trial with the subjects being forced to confess to false of crimes such as sabotage, espionage and embezzlement. The party employed a lot of propaganda in management of its affairs; there was an underground movement of conspirators (the brotherhood) which was spreading fear and labeling party rebels. it excites to not how power can be used by a party to propagate vested interests, instill fear in masses and hence ensure they submit completely. Separation was ripe with party members being restricted from going just to any shop. This was to force even those with divergent views succumb bow to pressure and dance to the whims of the party. People were totally deprived of their fundamental freedoms such a s free association, freedom of speech and others. In conclusion therefore Nineteen Eighty Four is a perfect narration of how regimes can engage in evil doing, deprive masses of their rights and employ unethical means to seize control. People are forcefully forced to sing party slogans, made to keep silent and not question anything happening around for fear of being punished. The writer is a victim and is in prison for obvious political reasons; they are tortured in prison and forced to confess to charges that are not

Gender Stereotypes Essay Example for Free

Gender Stereotypes Essay Simply put, gender stereotypes are generalizations about the roles of each gender. Gender roles are generally neither positive nor negative; they are simply inaccurate generalizations of the male and female attributes. Since each person has individual desires, thoughts, and feelings, regardless of their gender, these stereotypes are incredibly simplistic and do not at all describe the attributes of every person of each gender. While most people realize that stereotypes are untrue, many still make assumptions based on gender. There are many stereotypes we may all be guilty of, such as assuming that all women want to marry and have children, or that all men love sports. The following is a list of some of the most common gender stereotypes as they pertain to either men or women. Remember that these are stereotypes because they claim to apply to all men or women. Female Gender Stereotypes Gender stereotypes begin the second a baby’s gender is found out. As soon as we find out it’s a girl, we immediately begin decorating a pink nursery filled with soft dà ©cor and butterflies and flowers. We assume that our daughter will be very girly and fill her closet with frilly dresses and her toy box with tea sets and dolls. What this is essentially doing, even though many parents don’t realize it, is setting our child up to be the perfect lady, and teaching her how to be the stereotypical woman. We are teaching her that girls are supposed to wear dresses, serve food, and take care of babies; the biggest and most common stereotype put on women. Have you ever watched a little girl playing house? Even as young as five or six, she is well aware that she is supposed to stay home with the baby while the husband goes to work, and she has dinner ready when he gets home. Here is another stereotype; women stay at home while men go to work. While there are a million gender stereotypes about females, these are definitely the biggest, and the most debated by feminists of today. Some other stereotypes include: Women are supposed to have clean jobs such as secretaries, teachers, and  librarians Women are nurses, not doctors Women are not as strong as men Women are supposed to make less money than men The best women are stay at home moms Women don’t need to go to college Women don’t play sports Women are not politicians Women are quieter than men and not meant to speak out Women are supposed to be submissive and do as they are told Women are supposed to cook and do housework Women are responsible for raising children Women do not have technical skills and are not good at hands on projects such as car repairs Women are meant to be the damsel in distress; never the hero Women are supposed to look pretty and be looked at Women love to sing and dance Women do not play video games Women are flirts Women are never in charge Male Gender Stereotypes Stereotyping is no different when it’s found out that a boy is on the way. The nursery is decked out in blue, his closet is filled with tiny jeans, polo shirts, and boots, and the theme is usually something like jungle animals or dinosaurs; something tough. Boys’ toys consist of trucks, dinosaurs, action figures, and video games. From the beginning boys are taught to be tough, to be protective, and to defend themselves. Boys are taught that daddy’s go to work and mommy’s stay at home; from their point of view, boys have fun and girls do all the work. Are you surprised to hear that most parents admit that they do not teach their sons how to do chores such as washing dishes or folding laundry? Instead, they teach them to take out the trash and mow the lawn; from the get-go boys are made to think that certain household chores are women’s work. This is a major stereotype, but the majority of American households  today would prove this to be true. Men are supposed to do the dirty jobs and anything that requires muscle, they are also supposed to go to work and provide for the family. Little boys see this and the stereotype continues. Other gender stereotypes that inaccurately try to describe all men are: All men enjoy working on cars Men are not nurses, they are doctors Men do dirty jobs such as construction and mechanics; they are not secretaries, teachers, or cosmetologists Men do not do housework and they are not responsible for taking care of children Men play video games Men play sports Men enjoy outdoor activities such as camping, fishing, and hiking Men are in charge; they are always at the top As husbands, men tell their wives what to do Men are lazy and/or messy Men are good at math It is always men who work in science, engineering, and other technical fields Men do not cook, sew, or do crafts Can you see how many of these actually are true of many men or women that you know? They may even be true for you personally, but they do not apply to every single man or woman alive. That is what makes them stereotypes; the fact that these things are considered, the norm and expected of every male or female. Each person is an individual and it is perfectly normal for a woman to run her own business while a man stays home with the kids. On the other hand it is also perfectly acceptable for a man to be a nurse or hate sports, or enjoy cooking. Men and women are individuals; they are more than just male or female. Our gender is only part of who we are; it does not define us as people.