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18 Cards in this Set
- Front
- Back
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consciousness
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a state of awerness, including a person's feelings, sensations, ideas, and perceptions
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REM sleep
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a stage of sleep characterized by rapid eye movements, a high level of brain activity, a deep relaxation of the muscles, and dreaming
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circadian rhythm
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the rhythm of activity and inactivity lastin g approximately one day
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insomnia
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the failure to get enough sleep at night in order to feel rested the next day
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sleep apnea
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a sleep disorder in which a person has trouble breathing while asleep
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narcolepsy
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a condition characterized by suddenly falling asleep or feeling very sleepy during the day
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nightmares
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unpleasant dreams
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night terrors
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sleep disruptions that occur during Stage IV of sleep, involving screaming, panic, or confusion
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sleepwalking
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walking or carrying out behaviors while asleep
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hypnosis
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a state of consciousness resulting from a narrowed focus of attention and characterized by heightened suggestibility
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posthypnotic suggestion
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a suggestion made during hypnosis that influences the participant's behavior afterward
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biofeedback
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the process of learning to control bodily states with the help of machines monitoring the states to be controlled
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meditation
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the focusing of attention to clear one's mind and produce relaxation
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psychoactive drugs
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chemicals that affect the nervous system and result in altered consciousness
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marijuana
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the dried leaves and flowers of Indian hemp (Cannabis sativa) that produce an altered state of consciousess when smoked or ingested
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hallucinations
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perceptions that have no direct external cause
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hallucinogens
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drugs that often produce hallucinations
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LSD
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a potent psychedelic drug that produces distortions of perception and thought
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