Chapter7Review - Chapter 7 States of Consciousness Waking Consciousness Consciousness occurs in varied states We have not only the normal states of

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Chapter 7, States of Consciousness Waking Consciousness Consciousness occurs in varied states. We have not only the normal states of seeing and hearing, reasoning and remembering, daydreams and fantasies, but also the altered consciousness of sleep, hypnotic states, chemically induced hallucinations, and near-death visions. Psychology began as the study of consciousness, then turned to the study of observable behavior. Today, scientific investigation of states of mind is again one of psychology’s pursuits. Speedy parallel processing handles subconscious information; conscious processing is serial and much slower. Virtually everyone daydreams, especially in times when their attention can be freed from the tasks at hand. Daydreaming can be adaptive; it can help us prepare for future events and may substitute for impulsive behavior. Sleep and Dreams Biological Rhythms Our age-old biological rhythms affect our daily functioning and especially our sleep and dreams. The Rhythm of Sleep Our daily schedule of waking and sleeping is timed by a body clock known as circadian rhythm. Each night’s sleep also has a rhythm of its own, running from transitional Stage 1 sleep to deep Stage 4 sleep and back up to the more internally active REM sleep stage. This cycle repeats several times during a normal night’s sleep, with periods of Stage 4 sleep progressively shortening and of dream-laden REM sleep lengthening. Why Do We Sleep?
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This note was uploaded on 02/14/2010 for the course PSY 101 taught by Professor Jackson during the Spring '08 term at Michigan State University.

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Chapter7Review - Chapter 7 States of Consciousness Waking Consciousness Consciousness occurs in varied states We have not only the normal states of

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