PSYC 304 Lecture Notes - Feb.10th

PSYC 304 Lecture Notes - Feb.10th - 1Psych 304 Lecture...

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1Psych 304 Lecture Notes Feb.10 th , 2009 Lecture Outline: 1. Biological Rhythm: - Internal Clocks 2. Sleep & Waking: - EEG Patterns - Principal Characteristics of REM/SWS 4. Neural Mechanisms of Sleep 5. Biological Functions of Sleep 6. Sleep Disorders - introduction of electricity has caused a change in the natural sleep cycle because light affects sleep - free running cycle: normal light determines sleep cycle - if light is taken away, usually sleep cycles become longer (~25 hours), but in some cases, sleep cycles become shorter - infants spend the majority of their sleep in REM (50%) - children with mental retardation spend less time in REM sleep therefore REM sleep is important in the development of the brain - long sleepers (who sleep a lot) spend more time in REM sleep Characteristics of Human EEG Waves: - alpha wave: awake, relaxed, eyes closed - gamma wave: pre-central frontal cortex; found in people in meditation; more focused (less “static” in the brain) - all mammals & endotherms have REM sleep (not all non-endotherm species have REM sleep)
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This note was uploaded on 05/09/2009 for the course PSYC 304 taught by Professor Comeau during the Spring '08 term at UBC.

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PSYC 304 Lecture Notes - Feb.10th - 1Psych 304 Lecture...

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