PSYC 1200 Chapter Notes - Chapter 5 : Melatonin, Restless Legs Syndrome, Suprachiasmatic Nucleus

• School: University of Manitoba
• Department: Psychology
• Course: PSYC 1200
• Professor: Launa C.Leboe- Mcgowan

Document Summary

Biological rhythms of consciousness: wakefulness and sleep: cons(cid:272)iousness: persons" su(cid:271)je(cid:272)ti(cid:448)e a(cid:449)areness, in(cid:272)luding thoughts, per(cid:272)eptions, experiences of the world and self-awareness, thoughts and perceptions constantly adapting to new situations. Biological rhythms: sleep: biological rhythms nearly adapted to cycles in their environment. Ex. bears hibernate in winter: circannual rhythm: yearly cycle, example of infradian rhythm. Infradian rhythm: any rhythm that occurs over a period of time longer than a single day. Ex. in humans, the menstrual cycle: ultradian rhythm: more frequent biological rhythms (occurs more than once a month) Internally driven daily cycles of ~24 hours affecting physiological and behavioural processes. Involve tendency to be asleep/awake at specific times: feel hungrier during some parts of the day, ability to concentrate better at certain times than others, some circadian rhythms change with age. Info about melatonin levels hypothalamus which monitors melatonin levels so appropriate amt is released at diff times during the day.