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    Biological Psychology Study Set 1
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    Exam 9: Wakefulness and Sleep
  5. Question
    How Do Sleep Stages 3 and 4 Differ
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How Do Sleep Stages 3 and 4 Differ

Question 46

Question 46

Multiple Choice

How do sleep stages 3 and 4 differ?


A) body position
B) percentage of REM
C) percentage of serotonin that is released
D) percentage of slow, low amplitude waves

Correct Answer:

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