PSYC 1010 Lecture Notes - Lecture 6: Somniloquy, Sleepwalking, Brainstem

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Rebecca Jubis

Document Summary

1930 electroencephalograph (eeg: this device picks up electrical activity of the brain, electroencephalogram is the picture of activity. Stage 1 (nrem 1: theta waves, lasts 1-10 minutes, body twitches (hypnic, flashbacks w/o story jerks) (hypnagogic state) Stage 2 (nrem 2: sleep spindles, 10-20 minutes. Eeg resembles those of when you"re awake. Does not occur during rem sleep, it occurs in stage 4 sleep (deep. Sleep walking and sleep talking fall under this category: ex; some people have sex while being asleep (sexsomnia) Stay in this stage for 10-15 minutes. night second half of night. Most of deep sleep early on in. Theories for why we sleep: one theory is that sleep serves as a restorative function that allows us to recover from physical and mental exertion. Chronotype: person"s preference to whether they get up late or early, or sleep late or early: believed to be genetically wired.