PSYC 110 Lecture Notes - Lecture 18: Rapid Eye Movement Sleep, Sleep Spindle, Sleep Paralysis
Document Summary
Sleep and emotion: what is sleep, so many animals do it, different animals sleep for different amounts. 10/25/18: how do we study sleep, sleep diaries, measure neurons in your brain, eeg= electroencephalogram, 1 hertz= 1 cycle/ sec 1, sleep stages (as seen on an eeg) Kids spend a lot more time in rem sleep: a lot of energy expenditure, which means it must be valuable, sleep talking and sleep walking, nervous system aroused. Anxiety in second grade class so you have a bizarre dream about your strict teacher. Information processing: dreams are an opportunity to process and consolidate information from the previous day: threat simulation: brain gets practice handling threatening situations. Why do we need sleep: three major theories, preservation and protection theory, body restoration theory, brain maintenance theory of rem sleep, preservation and protection theory. What about sleep and the brain : suprachiasmatic nucleus (scn, rhythm generating neurons, circadian rhythms, pineal gland, melatonin.
