Glossary of Chapter 7 AP Psychology Vocabulary
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- 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 but other body systems are active.
- Alpha Waves
- The relatively slow brain waves of a relaxed, awake state.
- Periodic, natural, reversible loss of consciousness- as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation.
- 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.
- Recurring problems in falling or staying asleep.
- 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 reawakenings.
- 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.
- A sequence of images, emotions, and thoughts passing through a sleeping person's 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 of a dream (as distinct from its latent content).
- Latent Content
- According to Freud, the underlying meaning of a dream (as distinct from its manifest content). Freud believed that a dream's latent content functions as a safety valve.
- REM Rebound
- The tendency for REM sleep to increase following REM sleep deprivation (created by repeated awakenings during REM sleep).
- A social interaction in which one person suggests to another that certain perceptions, feelings, thoughts or behaviors will spontaneously occur.
- Posthypnotic amnesia
- Supposed inability to recall what one experienced during hypnosis; induced by the hypnotist's suggestion.
- Posthypnotic Suggestion
- A suggestion, made during a hypnosis session, to be carried out after the subject is no longer hypnotized; used by some clinicians to help control undesired symptoms and behaviors.
- A split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others.
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