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Consciousness

Vocabulary for Theme 3a

TermDefinition
Consciousness A state of awareness, including a person's feelings, sensations, ideas, and perceptions.
REM Sleep A stage of sleep characterized by rapid eye movements, a high level of brain activity, a deep relaxation of the muscles, and dreaming.
Circadian Rhythm The rhythm of activity and inactivity lasting approximately one day.
Insomnia The failure to get enough sleep at night in order to feel rested the next day.
Sleep Apnea A sleep disorder in which a person has trouble breathing while sleeping.
Narcolepsy A condition characterized by suddenly falling asleep or feeling very sleepy during the day.
Nightmares Unpleasant dreams or dreams that cause stress.
Night Terrors Sleep disruptions that occur during stage IV of sleep, involving screaming, panic, and or confusion.
Sleepwalking Walking or carrying out behaviors [usually linked to being awake] while asleep.
Hypnosis A state of consciousness resulting from a narrowed focus of attention and characterized by heightened suggestibility.
Posthypnotic Suggestion A suggestion made during hypnosis that influences the participant's behavior afterwards.
Biofeedback The process of learning to control bodily states with the help of machines monitoring the states to be controlled.
Meditation The focusing of attention to clear one's mind and produce relaxation.
Psychoactive Drugs Chemicals that affect the nervous system and result in altered consciousness.
Marijuana The dried leaves and flowers of Cannabis sativa that produce an altered state of consciousness when ingested into the body.
Hallucinations Perceptions that have no direct external cause.
Hallucinogens Drugs that often produce hallucinations.
LSD A potent psychedelic drug that produces distortions of perception and thought.
Created by: tderue
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