PSYC 208 Lecture Notes - Lecture 4: Rapid Eye Movement Sleep, Fatal Familial Insomnia, Sleep Onset
Document Summary
Repair effects of daily wear and tear (e. g. physical activity = asleep faster or more hours of sleep?) Growth hormone release from pituitary (at onset of n3) increases cellular division and rna synthesis. Rem protein synthesis (cell growth), amount of rem increases after learning has taken place, and n3 in neocortex of area taxed in learning. Declarative/explicit memory conscious recall semantic (concepts, facts, landmarks) + episodic (experiences, events) = slow wave sleep (sws) needed. Procedures, how to"s, motor skills, habits throwing a ball, learn to drive, recognize faces = rapid eye movement (rem) needed. The brain rehearses newly learned info in sws. Adaptive, survival sleep patterns (how much, where) due to: Predator or prey lion vs. zebra. Caloric use use less calories when sleep, less food required overall, awake when food for type of species most available. Environment prevent drowning, sinking, danger = cerebral hemispheres take turns sleeping; move to warmth/cool (snake, polar bear)
