PSYC 100 Lecture Notes - Lecture 1: Simple Features, Emotional And Behavioral Disorders, Detection Theory
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Can be a final stage of recovery: vegetative state: describes a person who is awake and shoes sleep-wake cycles but shows no signs of being aware of himself or his environment. The person is unable to interact with others and shoes no evidence of reproducible voluntary response to any kind of external stimulus. Recognizable sleep-wake cycles, their eyes are open when they are (cid:862)wake(cid:863: minimally conscious state: condition of severely altered consciousness where there is minimal evidence of any form of awareness. Patients should show some evidence of reproducible voluntary behavior (responding to some simple command: severe consequences: Coma can result in brain death: irreversible unconsciousness with complete loss of brain function. Allow the body and mind to recover from stresses: preservation and protection theory: Alpha activity (and beta): when people awake, neural activity tends to occur in alpha and beta frequency (highest-frequency/lowest in amplitude) When people become more relaxed, they exhibit (show) alpha activity: five stages of sleep.