Studying Sleep Through the Lifespan

In: Philosophy and Psychology

Submitted By ArtVandelay
Words 1502
Pages 7
The purpose of this study was to evaluate the correlation method as a means of examining the relationship between REM sleep and memory. I will describe previous research and then research how REM and associated memory in young and older people. In a way, the sleep patterns of these two groups are very similar, but somehow are not. 1a For the adult brain changes sleep, REM sleep and slow wave to each other in cycles of about 90 minutes. Early in the evening, non-REM sleep is longer cycles, but as time passes, the REM cycles dominate. non-REM sleep involves minimal brain activity, EEG high amplitude and low frequency oscillations. REM sleep, on the other hand, involves a high amount of brain activity paradoxically and equally low amount of motor skills, with low amplitude and high frequency oscillations in the EEG. In the elderly, length and intensity of these cycles' occur in shorter periods. REM sleep occurs just and slow wave sleep occurs in shorter cycles. 1b REM sleep usually awakens the genitals in men and women. This effect is usually more deeply experienced in youth, with young men who have erection for a period of time that men and older. 1c When a person is awake and excited, high-frequency beta waves are observed. When a person is awake and relaxed, the low-frequency alpha waves are observed. In both REM and non-REM sleep-1, the waves are high frequency, low amplitude, and erratic. In non-REM-2 sleep, brain waves are a bit slower and less erratic, with brief bouts of high frequency brain activity. After REM-3 begins not sleep, the brain constantly emits high amplitude, low frequency delta waves predictable. In the elderly, sleep architecture is often deteriorated and sleep efficiency is reduced. REM sleep is usually preserved, but over time, the time between stages of sleep (sleep latency) and slow wave sleep time is reduced. Brain activity during the…...

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