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23 Cards in this Set
- Front
- Back
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circadian rhythm |
a cycle of bodily rhythm that occurs over a 24hr period |
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Hypothalamus |
tell the pineal gland to secrete melatonin |
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melatonin |
makes a person feel sleepy |
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adaptive theory |
animals and humans evolved sleep patterns to aviod predators by sleeping when they are most active |
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alpha waves |
state of relaxation or light sleep |
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theta waves |
early stages of sleep |
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delta waves |
long, slow waves that indicate the deepest stage of sleep |
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stage 1 of sleep |
light sleep, may experience hallucinations |
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stage 2 of sleep |
sleep spindles: brief bursts of activity only lasting a second or two |
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stages 3 and 4 of sleep |
delta waves, deepest stage of sleep, body at its lowest level of functioning, time that growth occurs |
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insomnia |
inability to get to sleep, stay asleep, or get a good quality of sleep |
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sleep apnea |
person stops breathing for nearly half a minute or more |
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Freuds perspective of dreams |
wishful fulfillment |
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stimulants |
drugs that increase functioning of the nervous system |
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amphetamines |
drugs that are not found in nature, made in labs Ex: meth |
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cocaine |
natural drug, produces euphoria, energy, power and pleasure- dopamine |
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caffeine |
stimulant found in sodas, chocolate and over the counter drugs |
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depressants |
decrease the functioning of the nervous system |
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barbiturates |
depressants that have a sedative effect |
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benzodiazepines |
lower anxiety and reduce stress |
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alcohol |
depressant, often mistaken as a stimulant |
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narcotics |
highly addictive, suppresses pain by stimulating the receptor sites for endorphons |
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narcotics examples |
opium, morphine, herion |
