PSY 1012 Lecture Notes - Lecture 4: Ultradian Rhythm, Classical Conditioning, Sleep Disorder
12 Oct 2018
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Document Summary
Sleep apnea breathing stops for brief period while sleeping. causes person to choke or gasp for air, momentarily wakes up. Narcolepsy when individual falls asleep suddenly without any warning. usually falls into rem sleep. Endogenous biological rhythms occur without any cues from the environment. run on a biological clock. types include circadian rhythm, infradian rhythm, ultradian rhythm. circadian rhythms occur once (regulary) about every 24 hours. Rem and non-rem. go back and forth between them durring sleep. Rem sleep rapid eye movement sleep. can last up to an hour. usually lasts up to twenty minutes at a time. body is restless. have vivid dreams. Non-rem sleep little eye movement. generally lasts 90 minutes, then body goes into rem cycle. dreams not vivid but realistic. depper form of sleep than rem. calm regular breathing and calm heart rate. contains four stages. 1st stage of nonrem sleep light sleep. body on verge of unconciousness.
