PSYC 101 Lecture Notes - Sleep Spindle, Narcolepsy, Delta Wave
55
PSYC 101 Full Course Notes
Verified Note
55 documents
Document Summary
Majority of people have trouble sleeping, don"t sleep enough. Eeg measures brain waves, while sleeping or during activities. Beta waves are associated with engaging brain activity (awake) Alpha waves are associated with a sleepy state (feeling tired) Stage 1: theta wave are associated with starting to sleep, feeling exhausted. Stage 2: sleep spindles and k complexes help keep you asleep a. Stage 3: delta waves are associated with deep sleep a. b. Stage 4: sawtooth waves show rem sleep, fast, random sleep. Rapid eye movement (rem): eyes are moving while sleeping. Most often a person goes through all stages in 1. 5 hours. Most of the deep sleep is early, most of rem sleep later on. Frontal, parietal and temporal lobes behave differently when sleep deprived. Amygdala is affected by lack of sleep (important for emotions) Regions that help control emotions, and focus them, give way with sleep deprivations. Insomnia is chronic inability to get to sleep or stay asleep.
