PSY 01107 Lecture 3: Test 3 Review
Document Summary
General awareness of what"s going on around us altered state of consciousness: We are in this state most of the day. Do not remember or recall certain things when we are in this state suprachiasmatic nucleus: Area in the hypothalamus containing a biological clock that governs circadian rhythms internal clock (highs & lows) circadian rhythms: Biological rhythm with a period of about 24 hours pineal gland: Helps control suprachiasmatic nucleus stages of sleep: rem sleep. Stage 1: brain waves become small & irregular, feel yourself drifting on edge of consciousness, in a state of light sleep. if awakened you may recall fantasies or few visual images. Stage 2: brain emits occasional short bursts of rapid high-peaking waves (sleep spindles) (cid:373)i(cid:374)or (cid:374)oises (cid:449)o(cid:374)"t distur(cid:271) (cid:455)ou. Stage 3: characteristics of stage 2 plus brain occasionally emits delta waves, slow waves with high peaks. breathing & pulse slowed down, muscles relaxed, hard to awaken.
