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PGS 101, Lec 5 (Sleep & Dreaming)

PGS 101, Lec 5 (Sleep & Dreaming) - • Protective...

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Click to edit Master subtitle style The Psychology of Sleep & Dreaming
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Biorhythms and Sleep Circadian rhythms About 24 hours Natural sleep Light Body temperature
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Resetting the Biological Clock “Co-Starring Light and Melantonin” Retina detects light Sends message to Hypothalamus Suprachiasmic nucleus (SCN), sends message to pineal gland SCN sends message to Pineal gland Pineal gland releases melatonin Melantonin adjusts clock
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EEG Electroencephalograph Measures brain waves
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Sleep Cycles Awake: Beta (lo v, hi f) Drowsy: Alpha Stage 1: Theta, few minutes Stage 2: Sleep spindles, mixed waves, ~20 minutes Stage 3 & 4: Delta – slow-wave sleep (hi v, lo f), ~30 minutes
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Unformatted text preview: • Protective • Restorative: memory, healing • Growth: pituitary gland releases hormones for children during sleep Sleep Disorders • Insomnia – Recommended treatment • Do something relaxing, avoid caffeine. Regular schedule, exercise • Narcolepsy: randomly falling asleep – 5 minute episodes • Sleep Apnea – Intermittent stopping of breathing followed by Dreams • Story-like – Mostly familiar people • Day residue • Mostly mundane Theories of Dreaming • Wish Fulfillment (Freud) – Manifest content – Latent content • Information Processing – Cartwright • Activation Synthesis – Hobson & McCarley...
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