PSYCH 101 Chapter Notes - Chapter 9: Suprachiasmatic Nucleus, Ghrelin, Narcolepsy
13 Mar 2017
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Morning people -----> do better in school, take more initiative, more vulnerable to depression. Circadian rhythm: biological clock/regular body rhythms that occur in 24 hour cycles. Body temp is higher during the day and lowers in the evening. Rem sleep: (rapid eye movement) vivid dreams, also called paradoxical sleep because our bodies are relaxed but the brain and other functions are active. We yawn in response to the brains reduced metabolism. Alpha waves: relatively slow brain waves in an alive state. Sleep spindles: bursts of rapid brain activity. Half your night it spent in nrem-2 bc cycles. Delta waves: large slow brain waves associated with deep sleep. Eye movement = beginning of a dream (narrative) Genitals are aroused (except for during scary dreams) 25 year old man-----> erection half the night. 65 year old man-----> erection a quarter of the night. 37% of people don"t report having dreams.
