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PSYCH 101 (705)
Lecture 9

Lecture 9 Dreams

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Department
Psychology
Course
PSYCH 101
Professor
Martha Savage
Semester
Winter

Description
Lecture 9 Dreams Sleep stages REM sleep  rapid eye movement Alpha waves  the relatively slow brain waves of a relaxed, awake state Delta waves  the large, slow brain waves associated with deep sleep Stage 1 - transition to sleep - slowed breathing and irregular brain waves  rapid Stage 2 - characterized by the period appearances of sleep spindles  bursts or rapid, rhythmic brain- wave activity Stage 3 - transitioning into deep sleep - emits delta waves Stage 4 - increasingly deeper sleep - emits delta waves After stage 4, rather than continuing into deeper sleep, you ascend from your initial sleep dive returning through stage 3 and 2 and then enter REM sleep - brain waves rapid - genitals become aroused - the beginning of a dream REM sleep: - often ‘storylike’, and emotional Sleep deprivation can lead to: - obesity, increased appetite - suppression of
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