Chapter05 - Click to edit Master subtitle style I f you...

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Click to edit Master subtitle style If you want to be happy , BE . - LEO TOLSTOY
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22 “I know of no more encouraging fact than the unquestionable ability of man to elevate his life by a conscious endeavor.” -Henry David Thoreau
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Click to edit Master subtitle style Chapter Five State of Consciousness
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44 States of Consciousness – The Many Faces of Awareness Consciousness: All the sensations, perceptions, memories, and feelings you are aware of in any instant Waking Consciousness: Normal , clear, organized, alert awareness Altered State of Consciousness (ASC): Awareness that is distinctly different in quality or pattern from waking consciousness
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55 The Need for Sleep Definition: Innate , biological rhythm Microsleep: Brief shift in brain-wave patterns similar to those during sleep Sleep Deprivation: Sleep loss ; being deprived of needed amounts of sleep Sleep-Deprivation Psychosis: Confusion , disorientation, delusions, and hallucinations that occur because of sleep loss
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66 Sleep Patterns Sleep Patterns: Daily rhythms of sleep and waking Short Sleeper: A person averaging five hours of sleep or less per night. Long Sleeper: A person who averages nine hours of sleep or more per night.
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77 Figure 5.3 Development of sleep patterns. Short cycles of sleep and waking gradually become the night-day cycle of an (P.169)
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88 Electroencephalograph (EEG): Device designed to detect, amplify, and record electrical activity in the brain . Beta Waves: Small fast waves associated with being awake and alert. Alpha Waves: Large, slow waves associated with relaxation and falling asleep. Measuring Sleep Changes
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99
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Examples of Circadian Rhythms 1010
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1111 Stages of Sleep Stage 1: Small, irregular waves produced in light sleep (people may or may not say they were asleep). Muscle relax which may trigger reflex muscle contraction called hypnic jerk . Stage 2: Deeper sleep ; sleep spindles (bursts of distinctive brain-wave activity) appear. Sleep Stage 1 Illustration Sleep Stage 2 Illustration
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1212 Stage 3: Deeper sleep ; Delta waves appear ; very large and slow Stage 4: People reach deep sleep (deepest level of normal sleep). Brain waves are almost pure delta. Stages of Sleep click
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1313 :\Videos\Consci E:\Videos\Consciousness E:\Videos\Consciou
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1414 Two Basic Kinds of Sleep Rapid Eye Movements (REM): Associated with dreaming ; sleep is very light . Body is very still during REM sleep. Lack of muscle paralysis during REM sleep is
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Chapter05 - Click to edit Master subtitle style I f you...

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