PSYCH 100 Study Guide - Midterm Guide: Classical Conditioning, Sleep Spindle, Flunitrazepam

• School: UMASS-Amherst
• Department: Psychology & Brain Sciences
• Course: PSYCH 100
• Professor: John Bickford

Document Summary

Consciousness: the awareness of the sensations, thoughts, and feelings being experienced at a given moment. Altered states of consciousness: states that differ from normal, working conscious. Sleep: biological need; not a period of brain dormancy; restores/replenishes body and brain; assist physical growth. Deprivation: reduces functioning; impaired attention/alertness/concentration/problem solving, irritability and discomfort, trembling hands, drooping eyelids, staring, pain sensitivity, hallucinations, micro sleeps. a. b. Normal sleep range is 5-11 hours; median is 8 hours: four stages of sleep a. b. c. d. e. Stage 1: the state of transition between sleep and wakefulness, characterized by relatively rapid, low-amplitude brain waves. alpha waves (rapid, low voltage waves), possible vivid imagery, hypnic jerks. Stage 2: a deeper sleep than that of stage 1, characterized by a slower, more regular wave pattern, along with momentary interruptions of sleep spindles theta waves (slower, more regular wave patterns, sleep spindles), less easily aroused.