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consciousness__sleep_and_drugs__post_blackboard

consciousness__sleep_and_drugs__post_blackboard - States of...

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States of Consciousness What is Consciousness? Degrees of consciousness, a continuum States of consciousness include: Waking Sleeping and Dreaming Meditation Drug induced altered states Hypnosis, Trance
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Degrees of attention: Controlled and Automatic processing Parallel processing Sub-conscious processing - no (?) attention
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Biological Rhythms Cycles of activity that affect states of consciousness 3 types of rhythms: Circadian - daily Infradian - longer than a day Ultradian - shorter than a day
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Sleep and Dreaming Daily sleep-waking (circadian) cycle Stages of sleep Brain electrical activity in each stage measured by EEG (electroencephalograph) Brain is very active during one stage – REM sleep
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Electroencephalogram
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Rest, obviously (Repair theory) But rest without sleep is not sufficient Brain doesn’t need much rest Adaptive response to night (Ecological or Circadian theory)
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consciousness__sleep_and_drugs__post_blackboard - States of...

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