Psych Ch. 7
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Created by:
Lady_FrazzFrazz Plus on January 22, 2012
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39 terms
Terms | Definitions |
|---|---|
 consciousness | our awareness of ourselves and our environment |
| biological rhythms | periodic physiological fluctuations |
| circadian rhythm | regular bodily rhythms |
| REM sleep | a recurring sleep stage during which vivid dreams commonly occur |
| paradoxical sleep | another name for REM sleep |
| alpha waves | the relatively slow brain waves of a relaxed, awake state |
| sleep | periodic, natural, reversible loss of consciousness |
| hallucinations | false sensory experiences |
| 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 attacks |
| sleep apnea | a sleep disorder characterized by temporary cessation of breathing during sleep and repeated momentary awakenings |
| night terrors | a sleep disorder characterized by high arousal and an appearance of being terrified |
| dream | a sequence of images, emotions and thoughts passing through a sleeping person's mind |
| manifest content | the remembered storyline of a dream |
| latent content | the underlying meaning of a dream |
| 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 be carried out after the subject is no longer hypnotized |
| dissociation | a split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others |
| psychoactive drug | a chemical substance that alters perceptions and mood |
| tolerance | the diminishing effect with regular use of the same dose of a drug |
| withdrawal | the discomfort and distress that follow discontinuing the use of an addictive drug |
| physical dependence | a physiological need for a drug, marked by unpleasant withdrawal symptoms when the drug is discontinued |
| psychological dependence | a psychological need for a drug, such as to relieve negative emotions |
| addiction | compulsive drug craving and use |
| depressants | drugs that reduce neural activity and slow body functions |
| barbituates | drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgment |
| opiates | drugs that depress neural activity, temporarily lessening pain and anxiety |
| stimulants | drugs that excite neural activity and speed up bodily functions |
| amphetamines | drugs that stimulate neural activity, causing sped-up body functions and associated energy and mood changes |
| methamphetamine | a powerfully addictive drug that stimulates the central nervous system, with sped-up body functions and associated energy and mood changes |
| Ecstacy | a synthetic stimulant and mild hallucinogen, producing euphoria and social intimacy |
| hallucinogens | psychadelic drugs that distort perceptions and evoke sensory images in the absence of sensory input |
| LSD | a powerful halucinogenic drug |
| THC | the major active ingredient in marajuanna |
| near death experience | an altered state of consciousness reported after a close brush with death |
| dualism | the presumption that mind and body are two distinct entities that interact |
| monism | the presumption that mind and body are different aspects of the same thing |
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