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This 2 page Class Notes was uploaded by Briana Notetaker on Tuesday April 26, 2016. The Class Notes belongs to PSYC 1010 at La Salle University taught by Lacombe in Spring 2016. Since its upload, it has received 9 views. For similar materials see Introductory Psychology in Psychlogy at La Salle University.
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Date Created: 04/26/16
Consciousness & Information processing Consciousness – modern psychologists believe it is an awareness of ourselves and our environment Some occur spontaneously – daydreaming, drowsiness, dreaming Some are physiologically induced – hallucinations, orgasm, food or oxygen starvation Some are psychologically induced – sensory deprivation, hypnosis, meditation Rhythm of Sleep Circadian Rhythms – occur on a 24 hour cycle and include sleep and wakefulness, which are disrupted during transcontinental flights Sleep Stages about every 90 minutes we pass through a cycle of five distinct sleep stages ( can be measured through feedback of left eye movement, right eye movement, muscle tension, and brain waves) Awake but Relaxed – brain starts to slow down; regular alpha waves 914 cps Stage 12 – as the brain slows down more theta waves appear 58 cps (falling asleep); stage 2 produces some sleep spindles( burst of activity) and every once in a while a K complex appears Stage 34 – deepest stage of sleep; larger amplitude, delta waves 1.54 cps; in stage 4 your brain is fully asleep but your bodies muscle tone is still there. Brain is asleep but the body is active Stage 5: Rapid Eye Movement Sleep – (Dreaming) brain engages in low amplitude, fast and regular beta waves 1540 cps, awakearoused state; muscle tone is lost. Body is asleep but brain is active Sleep Deprivation Fatigue and subsequent death Impaired concentration Emotional irritability Depressed immune system Greater vulnerability
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