PSYCH 2 Study Guide - Final Guide: Neuroticism, Freudian Slip, Murder Of Kitty Genovese
Document Summary
Regulates daily cycles like temp, hormones, metabolism. N1 n2 n3 rem: n is non-rem, rem is rapid eye movement; amplitude greater, frequency lower, also dream in rem but don"t always have vivid dream recall. Takes 1 second to fall asleep, the brain waves change immediately; falling asleep is not encoded in memory; sleep twitch. Nrem1 burst of brain activity, maybe putting memories in long-term story. Nrem2 slow-wave sleep (delta waves: deep rest, blood pressure low, metabolism low. Rem is paradoxical sleep; sleep paralysis, brain stem blocks motor signals and body is deeply relaxed. When you dream, your sensory cortex areas are active. Repair brain and body tissue, clean out by-products of daily metabolism: muscle repair, growth hormone is high during sleep, deep stages more repair. Safety: night is dangerous; hide well = sleep more. Dysregulated metabolism (pre-diabetic state); organ failure, dementia.
