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Rhythms
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Types of Rhythms Circadian: about 24 hours Ultradian: less than 24 hours
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Core Body Temperature Variation is related to: Alertness Jet lag
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Zeitgeber: time cue Free run rhythm about 25 hours
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Rat Free Run
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Pineal Gland Secretes Melatonin Amount affected by: Light (suppression) Magnetic fields
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Alertness
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90 Minute Cycles Cerebral dominance mental rotation fantasy
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REM 1
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Stages of Sleep – Awake, alert EEG Recording Beta waves Based on Hauri, 1982
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Stages of Sleep – Relaxed, drowsy EEG Recording Alpha waves Based on Hauri, 1982
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Stages of Sleep – Stage 1 EEG Recording Theta (6 CPS) Based on Hauri, 1982
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Stages of Sleep – Stage 2 EEG Recording Sleep Spindle Based on Hauri, 1982
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Stages of Sleep – Stage 3 EEG Recording Delta (1 CPS) Based on Hauri, 1982
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Stages of Sleep – Stage 4 EEG Recording Delta (1 CPS) Based on Hauri, 1982
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Title
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Sleep Disorders Insomnia Narcolepsy Apnea
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THE END
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