1
Q
what are the two types of circadian rythms?
A
entrainment; endogenous
2
Q
what is entrainment rhythm?
A
sleep/ wake rhythm is synchronized with external event (darkness makes you sleepy)
3
Q
how is sleep controled?
A
in part with the hypothalamus; suprachiasmatic nucleus
4
Q
what is endogenous rhythm?
A
Generated within us and are biological
ex. melatonin
5
Q
how does bright light effect melatonin production?
A
decreases
6
Q
what is the alpha stage of sleep?
A
awake but relaxed; alpha waves characterize the alpha stage, border between sleep and wake
7
Q
what are the sleep stages?
A
3 NON REM;
NREM 1
NREM 2
NREM 3
one REM stage
8
Q
NREM 1
A
theta waves
9
Q
NREM 2
A
sleep waves
10
Q
NREM 3
A
delta waves
11
Q
REM
A
random waves
12
Q
A
PSYC 2010
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