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Unformatted text preview: Study Guide for Test #2 Consciousness: Our awareness of ourselves & our environment Circadian Rhythm: The biological clock; regular bodily rhythms (ex: temperature & wakefulness) that occur on a 24-hour cycle. Selective Attention: The focusing of conscious awareness on a particular stimulus Night Terrors: A sleep disorder characterized by high arousal & an appearance of being terrified; unlike nightmares, night terrors occur during Stage 4 sleep, within 2 or 3 hours of falling asleep, & are seldom remembered. Hallucinations: False sensory experiences, such as seeing something in the absense of an external visual stimulus. Stages of Sleep with Brain Wave Activity: STAGE ONE: Alpha waves; relatively slow brain waves of a relaxed, awake state (ex: hallucinations, hypnagogic jerk) STAGE TWO: Sleep spindles; rapid, rhythmic brain-wave activity (ex: sleep talking) STAGE THREE: Delta waves; the large, slow brain waves associated with deep sleep. REM: Rapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occur. Also known as paradoxical sleep , because the muscles are relaxed (except for minor twitches) but other body systems are active. Influences on Sleep Patterns: Exercising, alcohol, smoking, caffeine, liquids Narcolepsy: A sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often at inopportune times. Sleep Apnea: A sleep disorder characterized by temporary cessations of breathing during sleep & repeated momentary awakenings. Hypnosis: A social interaction in which one person (the hypnotist) suggests to another (the subject) that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur....
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This note was uploaded on 04/07/2008 for the course PSYCH 1310 taught by Professor Meeks during the Spring '08 term at Texas State.
- Spring '08