psychology chapter 4
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Created by:
jagpride05 on September 14, 2009
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16 terms
Terms | Definitions |
|---|---|
 psychiatry | the field of medicine that studies, diagnoses, and treats mental disorders |
| conscious | the level of consciousness ideas, memories, feelings, or motives of which we are actually aware |
| preconscious | the level of consciousness containing aspects of our experience of which we are not conscious at the moment, but that easily can be brought into awareness |
| unconscious | the level of the consciousness contating cognitions, feelings, or motives that are not available at the conscious or preconscious level |
| subliminal perception | the process of perceiving and responding to stimuli presented at levels that are below one's absolute threshold of concious processing |
| electroencephalograph(EEG) | an instrument that measures and records the electrical activity of the brain |
| electromyogram(EMG) | a record of muscles activity, tone, or state of relaxation |
| rapid eye movements(REM) | times when a sleeping person's eyes move quickly under his or her close eyelids; associated with dreaming |
| atonia | a period of muscular immobility |
| manifest content | the content of a dream of which the dreamer is aware |
| latent content | the "time" underlying meaning of a dream that resides in a persons unconscious mind |
| activation-synthesis theory | the proposal that dreams are activated by brainstem mechanisms, sending impulses up to the cerebral cortex, where they are synthesized and made meaningful |
| insomnia | the inability to fall asleep or stay asleep when wants to |
| narcolepsy | the sleep disorder that involves going to sleep, even during the day, without any intention of doing so |
| sleep apnea | patterns of sleep during which breathing stops entirely |
| hypnosis | an altered state of consciousness characterized by a) a marked increase in sugestiblity b) a focusing of attention c) an exaggerated use of imagination d) an unwillingness or inability to act as one's own and e)an unquestioning acceptance of distortions of reality |
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