WT 4e, chap 05-Consciousness-chg

WT 4e, chap 05-Consciousness-chg - chapter 5 Consciousness:

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Consciousness: Body rhythms and mental states chapter 5
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Overview Biological rhythms The rhythms of sleep Exploring the dream world The riddle of hypnosis Consciousness-altering drugs chapter 5
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Understanding biological  rhythms Consciousness Awareness of oneself and the environment Biological rhythms A periodic, more or less regular fluctuation in  a biological system; may or may not have  psychological implications chapter 5
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Endogenous biological  rhythms Circadian rhythms Once about every 24 hours Example: the sleep-wake cycle chapter 5
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Circadian rhythms Occur in animals, plants, and people To study endogenous circadian rhythms,  scientists isolate volunteers from time  cues. Suprachiasmatic nucleus Located in hypothalamus, regulates melatonin, a  hormone secreted by the pineal gland chapter 5
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Internal desynchronization A state when biological rhythms are not  in phase with each other Circadian rhythms are influenced by  changes in routine. Airplane flights across time zones Adjusting to new work shifts Illness, stress, fatigue, excitement, drugs, and  mealtimes chapter 5
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Moods and long-term  rhythms Seasonal Affective Disorder (SAD) A controversial disorder in which a person  experiences depression during the Winter and an  improvement of mood in the Spring. Treatment involves phototherapy or exposure to  fluorescent light. Evaluating frequency of and treatment for SAD is  difficult. chapter 5
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The exact function of sleep is uncertain but  sleep appears to provide time for the body to  carry out important functions. To eliminate waste products from muscles
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This note was uploaded on 09/28/2011 for the course PSYC 101 taught by Professor Cusaac during the Fall '08 term at South Carolina.

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WT 4e, chap 05-Consciousness-chg - chapter 5 Consciousness:

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