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17 Cards in this Set

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biological rhythms
periodic physiolocical functions
ciradian rhythm
the biological clock; regular bodily rhythms that occur in 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
sleep
periodic, natural, reversible loss of consciousness- as distinct from unconsciousness resulting from a coma, general anethesia, or hibernation
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
recurring problems in falling or staying asleep
narcolepsy
a sleep disorder characterized by uncontrollable sleep attack. The sufferer may lapse directly into REM sleep, often at inopportune times
sleep apnea
a sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, night terrors occur during Stage 4 sleep, within two or three hours of falling asleep, ad are seldom remembered
dream
a sequence of images, emotions, and thoughs passing through a sleeping person's mind. Dreams are notable for their hallucinatory imagery, discontinuities, and incongruities, and for the dreamers delusional acceptance of the content and later difficulties remembering it
manifest content
according to Freud, the remembered story line of a dream
latent content
according to Freud, the underlying meaning of a dream. Freud believed that a dreams latent content functions as a safety valve
REM rebound
the tendency for REM sleep to increase following REM sleep deprivation.
hypnosis
a social interaction in which one person suggests to another that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur
posthypnotic suggestion
a suggestion, made during a hypnosis session, to carried out after the subject is no longer hypnostized; used by some clinicians to help control undesired symptoms and behaviors
dissociation
a split in consciousness, which allows some thoughts and behaviors to occur simultaneaously with others