PSYC 1000 Chapter Notes -Snoring, Orexin, Hypothalamus

• School: University of Guelph
• Department: Psychology
• Course: PSYC 1000
• Professor: Harvey Marmurek

Document Summary

Textbook: psychology tenth edition in modules authored by david g. myers. Thinking is sharpest and memory most accurate when we are at our daily peak in circadian arousal. About age 20, become larks; older adults are definitely larks: morning types tend to do better in school, to take more initiative, and to be less vulnerable to depression. With each soldier cycling through the sleep states independently, it is very likely that at any given time at least one of them will be awake or easily wakened in the event of a threat. Nrem-1, nrem-2, nrem-3, rem *normally we move through 1 then 2, then 3 then back up through 2 before we experience rem sleep. Sleep patterns are genetically influenced: genes that regulate sleep in humans and animals. Suprachiasmatic nucleus (scn) grain-of-rice sized cell clusters in hypothalamus increase brain"s pineal gland to decrease production of sleep-inducing melatonin.