PSY 110 Lecture Notes - Lecture 4: Lucid Dream, Sleep Deprivation, Rapid Eye Movement Sleep
5 Apr 2017
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Document Summary
No delta waves, muscle paralysis: except for sex organs for both sexes. Age related changes: stage 3 and 4 decrease. Rem is paradoxical sleep: eeg appears to be awake, but person is different. Why do we need rem: consolidation of memory, aid learning, helps divergent thinking (creativity, reduce stress, organize connections within brain. Only occurs in mammals and in some birds. Rem rebound: go into rem faster and dream or have vivid nightmares much more than normal. Caused by alcohol, drugs, and sleep deprivation. Sleep deprivation affects: mood, alertness, body temperature and immunity. Infants/young children have longest sleep and highest percent of rem sleep (50%) Children (6 years puberty) are most consistent. Quantity and quality of sleep decreases with age. Problems or staying asleep due to drugs or situation. Dreams are stranger and more emotional than real life because the prefrontal cortex is inactive, emotional/visual centers are active. Lucid dreaming: we can learn to control the hallucinations we are experiencing.
