Sleep stuff
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| Electroencephalograph (EEG) | monitoring the brain electrical activity
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| Beta (βββ) | 13-24 cps; normal waking thought, alert problem solving
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| Alpha (ααα) | 8-12 cps; deep relaxation, meditation
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| Theta (θθθ) | 4-7 cps; light sleep
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| Delta (∆∆∆) | <4 cps; deep sleep
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| Circadian Rhythms | 24 hr biological cycles
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| Ultradian rhythms | shorter than 24 hrs (e.g., feeding)
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| Infradian rhythms | longer than 24 hrs (e.g., menstrual cycle
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| Insomnia | difficulty falling or staying asleep
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| Narcolepsy | falling asleep uncontrollably
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| Sleep Apnea | reflexive gasping for air that awakens and disrupts sleep
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| Nightmares | anxiety arousing dreams (REM)
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| Night Terrors | intense arousal and panic (NREM)
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| Somnambulism | sleepwalking
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| Dreams | mental experiences during sleep
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| Hypnosis | a systematic procedure that increases suggestibility
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| Hypnotic susceptibility | individual differences in the ability to be hypnotized
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| Psychoactive drugs functioning (cocaine and weed) | chemical substances that modify mental, emotional, or behavioral
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| Tolerance | larger doses are necessary for effects
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| Physical dependence | body is unable to function normally without drug
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| Psychological dependence | feeling that a drug is necessary for emotional well-being or daily functioning
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| Withdrawal | physical symptoms (e.g., nausea, pain, tremors, high blood pressure) due to lack of a drug
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| Narcotics/opiates (morphine, heroin) | pain relief, overwhelming euphoria, “who cares” attitude
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| Depressants/sedatives (barbiturates, benzodiazepines) | sleep inducing
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| Alcohol | produces relaxed euphoria, boost in self-esteem, decrease in inhibitions (which is why it is often mistakenly thought to be a stimulant)
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| Stimulants (caffeine, nicotine, amphetamines, cocaine, ecstasy) | increase CNS activity
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| Hallucinogens (Marajuana, LSD, mescaline, psilocybin | distort sensory and perceptual experience
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| Cannabis (marijuana, hashish) | mild sensory distortions; produces mild, relaxed euphoria; sluggish mental functioning; possible memory impairment
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