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16 Cards in this Set
- Front
- Back
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Circadian rhythm |
Cyclical changes that occur on a roughly 24 hour basis in many biological process |
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Biological clock |
Term for the suprachiasmatic nucleus in the hypothalamus that controls our alertness |
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How many stages of sleep? |
5 each cycle of 5 last 90 mins |
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First stage of sleep: |
1. Theta Waves Light sleep (Brain powers down by 50 percent) Lasts 5 mins |
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Stage 2 |
Brain slows down more and produces spindles and k-complexes (heart rate slows) Up to 65 percent of our sleep occurs here (20 Mins) |
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Stage 3 |
Transition phase Brain produces delta waves short |
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Stage 4 |
Delta waves 15-30 mins Deep restorative sleep |
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Stage 5 |
REM SLEEP It resembles wakefulness |
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Activation-Synthesis Theory |
Dreams reflect inputs from the brain orginating in the pons which the forebrain then attempts to weave into a story (Brains attempt to make sense of random neural signals that happen in REM) |
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Which drug relieves sleep and reduces pain |
Narcotic |
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Best sums up Freuds Dream Protection Theory |
Sexual and aggressive instincts would bubble up during sleep, when the ego is less able to repress them, if dreams did not intervene to disguise them as wish fulfillment. |
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How many people experience insomnia |
9 - 15 percent |
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How long does it take for a perfectly good sleeper to fall asleep? |
15-20 Mins |
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Cross-cultural research has found consistent patterns in dreaming around the world. Which one of these patterns was discovered? |
more emotion in women’s dreams than in men’s |
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Hypnosis is useful for? |
A wide range of clinical applications |
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Tobacco is a? |
Stimulant |
