PSY100H1 Study Guide - Final Guide: Amygdala, Brain Damage, Legal Intoxicant
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PSY100H1 Full Course Notes
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Document Summary
Module 5. 1 biological rhythms of consciousness: wakefulness and. Circannual rhythm: behaviour happening on a yearly basis. Infradian rhythm: any rhythm occurring over a day. Circadian rhythms: are internally driven daily cycles of approx. 24 hours affecting physiological and behavioural processes: be asleep or awake at specific times, feel hungrier at certain times. Get most sleep when it is dark outside: cells of retina relay messages about light to scn (suprachiasmatic nucleus, pineal gland releases melatonin. Why do we have these rhythms: entrainment: when biological rhythms become synchronized to external cues such as light, temperature or even a clock. Endogenous rhythms: biological rhythms generated by our body independent of external cues. Polysomnography: a set of objective measurement used to examine physiological variables during sleep. Use of eeg to measure brain waves: beta waves represent wakefulness, alpha waves represent daydreaming, meditating or starting to fall asleep.
