Sleep Essay - 2520 Words

Sleep â€Å"The worst thing in the world is to try to sleep and not to, then forcing oneself to stay awake for days on end must surely come a close second.† - F Scott Fitzgerald We spend one third of our lives doing it, and yet, some of us never seem to be able to get enough. People all over the world don’t receive enough sleep whether it’s from a medical condition like narcolepsy, or simply not having enough time in a day. The effects of getting a good night’s rest are essential and signs of sleep depravation are not as hard to spot as one may think. Sleep can be compared to quicksand, ignore it and you’ll find yourself trapped. It will take over you’re body and if you try to fight it, the more it wins. The effects of not†¦show more content†¦It is estimated that only 15 percent actually get these amounts (Kids Suffer from Sleep Deprivation). This is particularly important for students who wish to do well in school. Dr. Carl Hunt, the director of the National Center on Sleep Disorders Research, is spearheading a sleep campaign. Her philosophy is, â€Å"Sleep well, do well.† This is something that shouldn’t be taken to lightly. Sleep problems effect about 70 million Americans of all ages. Teens often have problems with daytime sleepiness. The old idea of early to bed, early to rise isn’t necessarily the best answer. Society is simply asking to much of teens (Sleep experts to teens). A combination of school, work, study and leisure, leaves very little time left for sleep. Being deprived o f sleep definitely has an effect on how well students do in school and may be putting their health at risk. College students who stay up all night to study for a test or write a big paper that’s due often have no choice because of the pressures to do well and succeed, but at what price do they pay? Our bodies are like batteries. If we don’t get sleep they can’t be charged and we’ll feel the effects. A toy with dead batteries isn’t nearly as fun as when fresh ones are used. Getting sleep everyday is important. The longest someone has gone straight without sleep has been 11 days by Randy Gardner in 1964 who was a sleep test patient. During thisShow MoreRelatedSleep : Sleep And Sleep867 Words   |  4 PagesSleep Analysis As we learned in lecture, sleep is an important component in improving a person’s overall health. Because sleep is vital for cognitive function and available time to spend sleeping is limited for college students, like myself, it is advantageous to change sleeping behaviors to maximize the benefits sleep can provide. After tracking my sleeping schedule for a week, I have noticed some patterns and behavior that may be affecting the quality of sleep I am getting. Based on my sleep journalRead MoreSleep And Memory Of Sleep Essay1222 Words   |  5 Pagesessential factor is sleep. Even though the amount of sleep people need differs from one individual to another, the fact is that eventually everyone needs to sleep. People know the importance of sleep, but due to the increased workload and the pressure of society people are getting less sleep. As a result, there has been an increase interest on the effects lack of sleep has on the mind especially the memory of a person. Many ques tions arose about the relationship between sleep and memory due to theRead MoreExercise, Sleep, And Sleep2738 Words   |  11 Pagesschedule for other commitments. Looking at my daily routine, how I eat, exercise, sleep, manage stress has helped me see how I can be more productive. My daily routine is constantly changing depending on my class schedule and work schedule. In the last month I have begun to work two jobs as well as take 18- units. So in all honesty my personal care has decreased. In this section I will look in-depth at how I eat, exercise, sleep, manage stress, and which areas I can improve on. Eating healthy can be aRead MoreSleep And Sleep : Sleep Schedule Look Like852 Words   |  4 Pagescomes back to your room at all hours of the night, this can severely affect your life as a whole. Sleep is essential to the human body performing in a variety of tasks. If you are constantly being woken up at various times throughout the night, it can have negative consequences on your impact to learn and your health. So what does a typical night’s sleep schedule look like? A typical night’s sleep is much more complicated than just closing your eyes and waking in the morning. As humans, we liveRead MoreSleep And The Brain : Sleep Deprivation950 Words   |  4 PagesSleep the Brain Sleep is the mysterious shift in consciousness that our bodies require every day (sleep council). Sleep scientists have explored these changes in depth, their definition of sleep is tied to characteristic patterns of brain waves other physiological functions (Harvard, 2008). There are many different risk factors that can come up if we do not get the sleep our body needs to function. One serious effect due to the lack of sleep would be sleepiness can cause accidents. AccordingRead MoreThe Effects Of Sleep And Variables On Sleep1457 Words   |  6 Pagescover the scientific study of sleep and variables which impact sleep by examining the five different stages of sleep, evaluating dreams and nightmares, assessing the causes and effects of sleep disorders and the various types of treatments, in addition to the effects of food and drugs on sleep. There are five stages of sleep, numbered one through four and REM (Rapid-Eye-Movement) sleep. Upon falling asleep, the brain and body goes through each stage to comprise sleep cycle which approximately hasRead MoreSleep Disorders and Sleep Deprivation735 Words   |  3 PagesCover Page - Institute of Medicine Committee on Sleep Medicine and Research. (2006) National Academies Press. Washington DC: Colten H. R., Altevogt B. M., Sleep Disorders and Sleep Deprivation: An Unmet Public Health Problem, Sleep Physiology. Rapid Eye Movement(REM) has been correlated with dreams and sleep physiology. It has been tracked by brain waves and muscle movements. Non-Rem(NREM) sleep is the first phase which occurs for 1-7 minutes and the easiest to be interfered with. The brainRead MoreMy Sleep On Sleep Patterns857 Words   |  4 Pagesyet I never analyzed my own sleep pattern. Never truly aware of what time I fell asleep, whether I dreamt every night, or the quality of my sleep. All I knew was that the older I got, the more lethargic I got, and the more caffeine I consumed. Now given the opportunity to monitor my sleep for five nights with the use of a sleep diary I have better knowledge of my sleep patterns. Basing my sleep patterns on concepts learned in class, I was able to understand my sleep, and apply different issuesRead MoreSleep And Slow Wave Sleep Essay1621 Words   |  7 Pagesdeclarative memory [3]. REM and slow-wave sleep (SWS) have been implicated in memory consolidation [3–5]. Lack of REM sleep is associated with poor recall of visual location [6]. Decline in declarative memory consolidation is correlated with a decline in slow-wave sleep [7]. Spencer et al. observed similar initial procedural learning in older and younger adults; however, the older adults’ performance did not improve following sleep, suggesting that sleep dependent memory consolidation decreases withRead MoreThe Effects Of Sleep On The Sleep Cycle1205 Words   |  5 Pageswe all need to sleep. C. I am going to present the different theories on why we sleep, the sleep cycle, a few of the different sleeping disorders, and how to sleep better. Transition: We know that everyone needs sleep but why is it actually important? II. Why is sleeping important? A. There actually isn’t any known facts on why we actually need sleep, but there is many theories. 1. According to the National Sleep Foundation (NSF), the research that has been done states that sleep is required for

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Neural architecture Free Essays

Introduction This article is traveling to discourse nervous web building from a different position than is usual in conventional attacks. This attack, which will be referred to asNervous Architecture, is intended to research building of nervous webs utilizing nerve cells asexplicitedifice blocks instead than anon. elements trained en mass. We will write a custom essay sample on Neural architecture or any similar topic only for you Order Now Simple Python plans will be used to show the construct for simple Boolean logic maps. The attack of this article is deliberately namedNervous Architecturebecause it is meant to parallel the manner in which a traditional designer consistently constructs a all right edifice: by developing well-known forms of building elements, which may be re-used to make of all time more sophisticated constructions. The conventional attack to nervous web development is to specify a web as consisting of a few beds in a multilayer-perceptron type of topology with an input bed, end product bed, and one or two concealed beds. Then a preparation algorithm such as backpropagation is applied to develop the interconnectedness weights. Sometimes a more sophisticated attack is taken such as utilizing a cascade or perennial topology but for all purposes and intents, the terminal consequence is a standard topology of a few highly-connected beds. This attack was a major discovery in the field because it led some people to get down believing outside the box of symbolic logical thinking that dominate d Artificial Intelligence at the clip. It has besides been successfully used in a assortment of pattern acknowledgment and control applications that are non efficaciously handled by other AI paradigms. However, these applications would non by and large be considered to stand for higher degrees of intelligence or cognitive processing. For illustration, say a nervous web is developed that can successfully acknowledge human faces under a assortment of conditions. This is a extremely utile application and good within the kingdom of conventional nervous webs. However, that is where the capableness of the web leaves away — at acknowledging the facial image. Aside from generalising facial characteristics, it can offer nil more in footings of concluding about those facial characteristics. Further, it is asserted that the standard attack to nervous web development is non suited for recognizing these higher degrees of intelligence. One of the cardinal jobs is the limited mode in which we approach the nervous architecture. To exemplify this job, we will return to the edifice architecture analogy. In this manner, our standard attack to nervous architecture can be likened to planing a edifice utilizing bricks. An designer who ever thinks in footings of bricks will non likely advancement beyond a certain degree of edification, because as a constituent, a brick merely offers one intent: to back up other bricks. Alternatively, an architecture increasingly develops more sophisticated, proved constructions based on the brick ( or other crude constituents ) which can be re-used to develop higher-level constituents. A house is conceived, non in footings of bricks and wood, but instead in footings of walls, doors, and suites. A sophisticated designer might even happen these constituents mundane and alternatively believe in more abstract footings of â€Å" infinites † , energy and flow of human traffic. This is the impression of â€Å" forms † , and in fact these ( architectural ) forms were precisely the inspiration for the field ofpackageforms. The same thought can be applied to nervous webs: a nerve cell by itself merely serves the map of exciting other nerve cells. And conventional nervous cyberspace acquisition algorithms are geared toward classification or other mapping operations. As a advocate of nervous webs, one believes that randomly complex intelligence procedures can be realized, and we have the human encephalon as pretty converting support of that belief. However, to go on advancement in this way, it is likely that we have to develop more sophisticated abilities as nervous designers and develop utile, proved nervous forms similar to the manner that edifice designers have done over clip, and in the manner package designers are now making. Adequate doctrine — we will now be taking a fresh expression at how forms can be constructed get downing with simple nervous elements, and specifically we will get down with Boolean logic elements. Architecting utilizing Boolean logic does non instantly offer an advantage over utilizing regular logic Gatess, but illustrates how sharp logic or symbolic elements can originate from fuzzed nervous processing elements. It will besides supply a conceptual foundation for future articles. Nervous webs Nervous web: information processing paradigm inspired by biological nervous systems, such as our encephalon Structure: big figure of extremely interconnected processing elements ( nerve cells ) working together Like people, they learn from experience. Nervous webs are configured for a specific application, such as pattern acknowledgment or informations categorization, through a acquisition procedure In a biological system, larning involves accommodations to the synaptic connexions between nerve cells. The first measure in the architecture procedure is to specify the crude edifice block, and if you have n’t fallen asleep at this point, you have no uncertainty figured out that this will be anerve cell. The neuron theoretical account we will utilize is a version of the tried-and-true theoretical account used for package nervous webs, besides known as theperceptron. As illustrated in, the perceptron has multiple inputs and one end product. The mathematical theoretical account of the perceptron is given by: a = squash ( A ; Sigma ; ( iiwi ) ) where: is input I to the perceptron is the weight for input I is the activation ( end product ) and squash ( x ) = { 1 if x gt ; threshold 0 otherwise The nature of the perceptron has been discussed many times elsewhere, including in Matthews, so we wo n’t brood on it here. But fundamentally, the perceptron calculates a leaden amount of the inputs and so subjects it to a nonlinear â€Å" crushing † map — in our instance, this is a simple threshold operation. The nonlinear threshold operation is portion of what makes a nervous net exhibit interesting behaviour. Otherwise it would amount to matrix operations. Nature of the game Now that we have the theoretical account for a basic nerve cell defined, we can now continue to specify basic logic Gatess by merely working out two things: the weight values the threshold For our treatment we will presume that weights can be positive ( excitory ) or negative ( inhibitory ) and be in the scope between -1 and 1. The threshold will besides be assumed to be in the scope -1 to 1. If we cast this in footings of signals, so it equates to the demand that both inputs have to be sufficiently high to bring forth an end product. So, we will put our threshold to a high value of 0.8. Following we will put the weights for the two inputs at 0.5 each. If one input is one ( =1 ) so the nerve cell activation ( end product ) will be given by a = squash ( 1 * 0.5 + 0 * 0.5 ) = squash ( 0.5 ) = 0 since 0.5 A ; lt ; 0.8 { the threshold } Therefore if either or both inputs is 0, the end product is zero. If both are 1, so the leaden amount will be greater than the threshold. Listing 1 show the Python plan that demonstrates the nervous AND gate, and will be used as a templet for other logic maps. The writer prefers Python for prototyping, because it consequences in compact codification that looks really close to pseudocode. Plan to prove Inverter We have shown how a simple set of logic Gatess may be implemented utilizing nerve cells. In theory, this is all we would necessitate to implement a cosmopolitan digital computing machine of arbitrary complexness, because that is all a microprocessor does. In fact, it can be shown that all the logic maps can be implemented with one type of gate: either all NAND Gatess or NOR Gatess. However, if that was our end, there would be no advantage to this attack over utilizing standard logic Gatess. The point is that a nervous attack can be used for planing intelligent constructions — that is explicitly architecting ( there ‘s that word once more ) structures — every bit good as germinating them utilizing conventional nervous web preparation paradigms. With nervous architecture, we can get down with simple logic operations and construct them up into more interesting logical constructions. As an illustration, see our first illustration, the simple AND gate. This could be us ed to digitally execute an operation on spots, but it can besides be used to execute a logical AND operation on two regulations, for illustration: IF regulation X AND regulation Y THEN fire ( end product is active ) . Furthermore, by utilizing nerve cells, the inputs are non at wholly limited to binary signals, they could be analog signals ( regulation X is kind of true ) or even the end product of an full nervous web. Decision The nervous architecture attack can be seen to hold the undermentioned key advantages or possibilities: Can develop constructions built on a cosmopolitan nerve cell edifice block. The same basic edifice block can be considered as a nerve cell ( standard perceptron ) or a logic gate. The attack allows sharp constructions to interface with fuzzed 1s, uniting the nondeterministic and evolutionary belongingss of nervous webs along with the advantages of explicit, structured design. Can develop recognizable higher degree edifice blocks, a of import demand for recognizing continuously more complex architectures. How to cite Neural architecture, Essay examples