| Term | Definition |
|---|
| mesmerism | early name for hypnosis |
| amphetamines | drugs that increase energy and stimulate neural activity |
| alpha | brain wave of awake relaxed person |
| sleep spindle | brain-wave activity during Stage 2 sleep |
| REM | sleep stage associated with dreaming |
| barbiturates | drugs that reduce anxiety and depress central nervous system activity |
| endorphin | natural painkiller produced by the brain |
| serotonin | neurotransmitter that LSD resembles |
| consciousness | Our awareness Of ourselves and our environment |
| Freud's theory | theory that dreaming reflects our erotic drives |
| dissociation | a split between different levels of consciousness |
| narcolepsy | disorder in which sleep attacks occur |
| manifest content | surface meaning of dreams |
| latent content | deeper meaning of dreams |
| Stages 3 and 4 sleep | stage of sleep associated with delta waves |
| REM sleep | stage of sleep associated with muscular relaxation |
| sleep apnea | sleep disorder in which breathing stops |
| night terrors | sleep disorder occurring in Stage 4 sleep |
| alcohol | a depressant |
| marijuana | a hallucinogen |
| cocaine | a stimulant |
| Stage 1 sleep | twilight stage of sleep associated with imagery resembling hallucinations |
Combine with other sets
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