PSYC 1101 Lecture Notes - Lecture 10: Sleep Disorder, Narcolepsy, Sleepwalking
15 Sep 2016
School
Department
Course
Professor
Document Summary
Circadian rhythm: a naturally occurring 24-hour cycle brain activity during sleep is typically measured with an electroencephalograph (eeg: one of the ways to study the phases of sleep. Stages of sleep image: awake, drowsy, relaxed, stage 1, 2, 3, 4 sleep, rem (rapid eye movement) sleep. Waves are how you recognize what stage of sleep a person is in. Image: depending how old you are, you sleep different amounts of time and with different bursts of sleep cycles. We need about 1 hour of sleep for every 2 hours we are awake. The world record for staying awake is held by randy gardner, who stayed up for 264 hours (11 days) and 12 minutes. Rats forced to stay awake died after an average 21 days: effects: anorexia, muscle weakness, loss of temperature regulation, etc. Consolidation: the process which fixes memories in long term storage. Sleep appears to be necessary for proper consolidation of the day"s memories to occur.
