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Glossary of Psych AP Review

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Activation Synthesis Theory
dreams are generated by random outbursts of nerve cell activity

-J. Allen Mobson & Robert McCarley
Monism: Thought
a by-product of brain processes and stops existing when the body dies
Sleep
-spend about 1/3 of life asleep
-restores effectiveness of the body and the brain
-may be an adaptive mechanism
-Sleep deprivation=DJ Peter Tripp's March of Dimes
CAT Scan
(Computerized Axial Tomography
-uses x-ray cameras that rotate around brain and combine pictures into 3D
-can only show structure
Entrainment
-the synchronization of biological rhythms with external cues such as fluctuation in day light, alarm clock, etc.
1. Circadian
2. Infradian
3. Ultradian
Latent Content
the underlying meaning behind the events in a dream
Perception
-a set of processes that organize sensory informationn into meaningful patterns
>past experience
-top-down processing
Insomnia
-difficulty in sleeping or remaining asleep
-usually temporarily related to stress
-long term: phys or psych prob
-treatment:limit intake of stimimulants, maintaining consis. sleep patterns
-10% of pop.
-consistent sleep pill use decreases REM sleep
Stage Four
-"deep sleep"
-brain shows even more delta waves
-bed-wetting and somnambulism
-after this stage, waves speed up and go back to 3 and 2
-at reaching stage 1, brain moves into REM
Wernicke's Area
(Brain)
-interprets both written and spoken speech
-damage to area would affect ability to understand language

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