Chapter7Overview - Myers PSYCHOLOGY Statesof Consciousness...

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Myers’ PSYCHOLOGY Chapter 7    States of  Consciousness
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Waking Consciousness Consciousness our awareness  of ourselves  and our  environments
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Sleep and Dreams Biological Rhythms periodic physiological fluctuations Circadian Rhythm   the biological clock regular bodily rhythms that occur on  a 24-hour cycle, such as of  wakefulness and body temperature
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Premenstrual Syndrome Premenstrual Menstrual Intermenstrual Menstrual phase Actual Recalled mood 3 2 1 Negative mood score Recalled mood is worse than earlier reported
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Sleep and Dreams REM  ( R apid  E ye  M ovement)  Sleep   recurring sleep stage  vivid dreams “paradoxical sleep”   muscles are generally relaxed, but other  body systems are active Sleep periodic, natural, reversible loss of  consciousness
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Sleep and Dreams Measuring sleep activity
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Brain Waves and Sleep Stages Alpha Waves slow waves of a  relaxed, awake  brain Delta Waves large, slow waves  of deep sleep  Hallucinations false sensory  experiences  
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Stages in a Typical Night’s Sleep 0 1 2 3 4 5 6 7 4 3 2 1 Sleep stages Awake Hours of sleep REM
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Stages in a Typical Night’s Sleep Hours of sleep Minutes of Stage 4 and REM 1 2 3 4 5 6 7 8 0 10 15 20 25 5 Decreasing Stage 4 Increasing REM
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Sleep Deprivation Effects of Sleep  Loss fatigue impaired  concentration depressed immune  system greater vulnerability  to accidents
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Sleep Deprivation 2,400 2,700 2,600 2,500 2,800 Spring time change (hour sleep loss) 3,600 4,200 4000 3,800 Fall time change (hour sleep gained) Less sleep, more accidents More sleep, fewer accidents Monday before time change Monday after time change Accident frequency
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