Psychology 1000 Chapter Notes - Chapter 6: Delta Wave, Homeostasis, Melatonin

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Jet lag caused by change in typical daily time cycle: a forward rotating work schedule that takes advantage of extending the waking day than to compress it is called rotating shiftwork. Sleep and dreaming: by decreasing nighttime alertness, circadian rhythm promote a readiness for sleep and help to determine the optimal period when we can sleep the most soundly, brain"s electrical activity mostly beta waves (high frequency. 15-30 cycles/second, low amplitude) while awake: alpha waves (lower frequency 8-12 cycles/second, slightly higher amplitude) while relaxed and drowsy. 1-2-3-4-3-2: rem sleep periods of sleep involving rapid eye movements, during rem sleeps, physiological arousal may increase to daytime levels. How much do we sleep: newborns began by sleeping 16 hours a day, almost half in rem, as people age, three important changes occur, sleep less (15-24 year olds: 8. 5 hours average, elderly: under. Although no agree, begun to integrate concepts from cognitive, biological, and modern psychodynamic perspectives.