PSYCH101 Chapter Notes -Lucid Dream, Rapid Eye Movement Sleep, Sleep Mode

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Richard Ennis

Document Summary

Triggers to sleep mode: deprivation, routine, boring environment/lack of simulation. Rem: rapid eye movement: more active at night, than during the day, pons lights up. Seen as mental timeout until 1952: rapid eye movement. Lead to science/research of sleep: sleep is disconnect from external environment. Sight is first to go, then hearing then other senses. Electrical activity begins to change: see fig 5-2, and 5-3, burst of electrical activity (stage 2) is in thalamus, various hormones released, Historically - sleep was restoration for body (mind in 1952) The real function of sleep is a filler time: awake: engaged in survival. When day is done, shut down activity -- consume less energy. Large grazing animals sleep less than smaller animals: ex. Hypnotic jerk: twitches of body as person is falling asleep, lucid dreaming. Know you dreaming: sensation of falling. Electrical and neurotransmitter activity: brain isn"t making sense of things.