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Definition
| Our awareness of ourselves and the environment |
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Definition
| Study of brain activity linked with cognition |
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Term
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Definition
| Principle that information is simultaneously processed on separate conscious and unconscious tracks |
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Term
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Definition
| Focusing conscious awareness on a particular stimulus |
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Term
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Definition
| Failing to see visual objects when our attention is directed elsewhere |
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Term
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Definition
| Failing to notice changes in the environment |
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Term
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Definition
| Biological clock of regular body rhythms that occur on a 24-hour cycle |
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Term
| REM (rapid eye movement) Sleep |
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Definition
| Recurring sleep stage during which vivid dreams occur; aka. paradoxical sleep because muscles are relaxed but other body systems are active |
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Term
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Definition
| Relatively slow brain waves of a relaxed but awake state |
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Term
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Definition
| Periodic, natural, reversible loss of consciousness |
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Term
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Definition
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Term
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Definition
| Large (elongated), slow brain waves associated with deep sleep |
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Term
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Definition
| Recurring problems falling or staying asleep |
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Term
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Definition
| Sleep disorder characterized by uncontrollable sleep attacks, often as a result of emotional triggers |
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Term
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Definition
| Sleep disorder characterized by temporary periods of not breathing and repeated momentary awakenings |
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Term
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Definition
| Sleep disorder characterized by high arousal and terror; occur at Stage 4 of sleep, unlike nightmares |
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Term
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Definition
| Sequence of images and emotions passing through a sleeping person's mind; known for hallucinatory imagery, discontinuity, and difficulty in remembrance |
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Term
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Definition
| Freud's term for the remembered storyline of a dream |
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Term
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Definition
| Freud's term for the underlying meaning of a dream |
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Term
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Definition
| The tendency for REM sleep to increase following REM deprivation |
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Term
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Definition
| Social interaction in which one person (hypnotist) suggests to another that certain perceptions or behaviors will spontaneously occur |
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Term
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Definition
| Suggestion made during hypnosis which will be carried out after hypnosis |
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Term
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Definition
| Split in consciousness allowing some thoughts and behaviors to occur simultaneously with others |
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Term
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Definition
| Chemical substance that alters perceptions and moods |
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Term
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Definition
| Diminishing effect with regular use of the same dose of a drug, requiring the user to take larger doses of the drug before experiencing its effects |
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Term
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Definition
| Unpleasant symptoms following the discontinuation of an addictive drug |
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Term
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Definition
| Physiological need for a drug, marked by withdrawal symptoms |
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Term
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Definition
| Psychological need to use a drug, such as to relieve negative emotions |
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Term
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Definition
| Compulsive drug craving and use, despite adverse effects |
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Term
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Definition
| Drugs that reduce neural activity and slow body functions; ie. alcohol, barbiturates, opiates |
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Term
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Definition
| Drugs that depress CNS activity, reduce anxiety, and impair memory and judgement |
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Term
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Definition
| Opium derivatives (morphine, heroine) that lesson pain and anxiety |
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Term
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Definition
| Drugs that excite neural activity and speed up body functions; ie. caffeine, nicotine, amphetamines, cocaine, Ecstasy |
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Term
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Definition
| Drugs that speed up body functions, energy, and mood changes |
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Term
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Definition
| A powerfully addictive drug that stimulates CNS and over time, reduces baseline dopamine levels |
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Term
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Definition
| Synthetic stimulant and mild hallucinogen; produces euphoria and social intimacy, but harms serotonin-producing neurons and cognition |
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Term
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Definition
| Psychedelic drugs that distort perceptions and evoke sensory images without sensory input |
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Term
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Definition
| Powerful hallucinogenic drug; aka. acid |
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Term
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Definition
| Major active ingredient in marijuana that triggers a variety of effects, including mild hallucinations |
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