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Ap Psych Key Terms Chp 7

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Ap Psych Key Terms Chp 7
AP Psychology
Chapter 7 Key Terms
Consciousness- Our awareness of ourselves and our environment
Biological rhythms- Periodic physiological fluctuations.
Circadian rhythm- The Biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24 hour cycle.
REM sleep- 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 symptoms are active.
Alpha waves- The relatively slow brain waves of a relaxed, awake state.
Sleep- periodic, natural, reversible loss of consciousness – as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation (adapted from dement, 1999)
Hallucinations- false sensory experiences, such as seeing something in the absence of an external visual stimulus.
Delta waves- The large, slow brain waves associated with deep sleep.
Insomnia- The recurring problems in falling or staying asleep.
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 and consequent momentary reawakening.
Night terrors- A sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, night terrors occur during stage 4 sleep, within 2 or 3 hours of falling asleep, and are seldom remembered.
Dream- a sequence of images, emotions, and thoughts passing through a sleeping persons mind. Dreams are notable for their hallucinatory imagery, discontinuities and incongruities, and for the dreamer’s delusional acceptance of the content and later difficulties remembering it.
Manifest content- according to Freud, the remembered story line of a dream (as distinct from its latent content)
Latent content- according to Freud, the underlying

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