Psychology 1100E Lecture Notes - Lecture 15: Narcolepsy, Cognitive Module, Cataplexy
18 Jan 2017
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Document Summary
A person"s subjective awareness, including thoughts, perceptions, experiences of the world and self awareness. Internally driven daily cycles of approximately 24 hours affecting psychological and behavioural processes. Scn are active during the day (stopping melatonin) Scn are inactive during the night (allowing melatonin) Rhythmic daily cycles: wakefulness and sleep, body temp (higher when awake, influenced by light and darkness. Natural" wake-sleep cycles longer than 24 hours: time giver. Sun light/ darkness: for tests, participants are taken to a room that has no light givers. Can experience up to 12hour shift: natural environment keeps us in sync with rhythms. Jet lag: the discomfort a person feels when cycles are out of sync with light and darkness, east- shortening day, west- lengthening day. Night-shift work: working switch shifts die 10 years earlier. Seasonal affective disorder (sad: mild depression from not having enough sunlight, treated with phototherapy. Circadian rhythms regulated by suprachiasmatic nuclei (scn: dealing with the presence of light.
