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Chapter 6 Vocabs - Ch6 Psychology"the description and...

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Ch6 Psychology – “the description and explanation of states of consciousness” Consciousness – our awareness of ourselves and our environment Our conscious attention is selective Selective attention – the focusing of conscious awareness on a particular stimulus Inattentional blindness – failing to see visible objects when our attentions is directed elsewhere Pg185 change blindness Circadian rhythm – the biological clock ; regular bodily rhythms Suprachiasmatic muclesus – a pair of pinhead-sized clusters of 20,000 cells in the hypothalamus that control the circadian clock (SCN) Alpha wave – the relatively slow brain waves of a relaxed, awake state Hallucination – sensory experiences that occur without a sensory stimulus Sleep spindle – bursts of rapid, rhythmic brain-wave activity Delta wave – the large, slow brain waves associated with deep sleep During REM – hear rate rises, breathing rapid and irregular, momentary burst Narcolepsy – a sleep disorder by uncontrollable sleep attack . The sufferer may lapse directly into REM
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