PS263 Chapter Notes - Chapter 9: Retina, Timeless (Gene), Locus Coeruleus
Document Summary
: naval personnel on u. s. nuclear- powered submarines are cut off from sunlight for months, and use artificial light. They live on a 6 hour of work, 12 hours of rest schedule. : normal body temperature fluctuates over the day from a low of 36. 7 o c during the night to almost 37. 2 o c in later afternoon. Increase in positive mood seen from waking until late afternoon, and then a slight decline from then to bedtime: circadian rhythms differ among individuals. Morning people awaken early quickly become productive less alert as day goes on. Evening people warm up more slowly reach peak in late afternoon/ evening tolerate staying up all night better than morning people: age differences exist in circadian rhythms. Child: go to bed early and wake up early. Adolescent: staying up later and waking up later when given opportunity: mean preferred time of going to sleep gets later and later until about 20; then a gradual reversal.
