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11 Cards in this Set

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Stage 1 sleep
5-7 minutes, theta waves, easy to wake up
Stage 2 sleep
between 10 and 35 minutes, sleep spindles (spikes on EEG)
Deep Sleep
30 minutes after falling asleep, lasts for 30 minutes, delta waves
REM
on the EEG, it looks like you're awake; breathing and heart rate are irregular; you are virtually paralyzed, this is when you dream; go into REM 4 times
Deprive people of REM...
Large rebound
Evolutionary theory as to why we sleep
Night was dangerous and dark; safer if you were sleeping...reduces the chances of falling off a cliff
Restoration theory of sleep
Restores our physical health; when we lose sleep, our immune system decreases
Consolidation Theory of sleep
restoring cognitive health; we synthesize what we've learned while we sleep
Freud's Theory on Dreams
Wishf fulfillment
We have unconscious motivation - dreams are too threatening for us to be aware of...so we keep them at bay
Manifest content (what is dreamed)
Latent content (what dreams mean)
Cartwright's Theory on Dreams
"Problem solving"
Dream about what we think about durying the day - dream about problems, not solutions (criticism)
Emotional Valance
2 times more likely to dream about sad or negative things