Sleeping and Dreaming - Sleeping and Dreaming Freud Cartwright Hobson McCarley Biorhythms sleep Resetting the biological clock EEG Sleep cycles Three

Sleeping and Dreaming - Sleeping and Dreaming Freud...

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Sleeping and Dreaming 09/25/2014 Freud ° Cartwright ° Hobson & McCarley ° Biorhythms & sleep ° Resetting the biological clock ° EEG ° Sleep cycles ° Three functions of sleep ° Sleep disorders ° Features of dreams ° Three theories of dreaming ° ° Biorhythms and Sleep: Circadian Rythms o About 24 hours Natural Sleep o Light o Body temperature changes ° ° Resetting the Biological Clock
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Retina detects light change in evening Retina sends message to Suprachiasmic nucleus (SCN) SCN sends message to pineal gland Pineal gland releases melatonin Melatonin adjusts clock Extraverts have easier time resetting clock. Our body produces so much at night the Melatonin pills does nothing at night, but during the day can be very helpful. ° ° EEG Electroencephalograph Measures brain waves Sleep Cycles Awake: Beta (lo v, hi f) o Higher voltage lower frequency as we work into deep sleep Drowsy: Alpha waves Stage 1: Theta, few minutes o Fantastic Image: Happens in stage one where you feel like youre following off a cliff, jerk and wake yourself up. o Other example is floating off bed. (second most common) Stage 2: Sleep spindles, mixed waves, about 20 minutes o Not a deep sleep
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Stage 3 & 4: Delta, (hi v, lo f), about 30 minutes. o Sleep walking/wet the bed usually at end of stage 4 REM: Most dreaming (lo v, hi f) o Chemicals relax/prevent muscle movement Reason why in nightmares you have trouble moving quickly ° ° Functions of Sleep Protective o More trouble happens at night time, sleep prevents. Restorative o Restores body tissue, works with neuron functioning. o Helps organize info that’s stored throughout the day Growth o Pituitary gland releases growth hormones ° ° How Much Sleep? Newborns should sleep 2/3 of 24 hour day Teens should sleep 8-9 hours Most adults 6-8 hours Sleep Disorders
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Insomnia o Have trouble falling or staying asleep o Using alcohol or sleeping pills to cure: You’re unconscious, so hardly any REM sleep. o Recommended treatment Relaxing behavior before bed time Avoid caffeine Exercise regularly Narcolepsy o Less than five minute episodes where people fall asleep right away o Easily treatable Sleep Apnea o Easily treatable ° ° Dreams Story Like o Usually staring yourself Day residue Mostly mundane ° ° Theories of Dreaming
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Sexual Wish Fulfillment (Freud) o Manifest content What you see on surface o Latent content What it really means Information Processing (Cartwright) o This is the theory (for which we have strong evidence) that dreaming helps to organize information you learn during the day (so that you are better able to remember it later, and consolidate new memories (hook them up with other related memories in your neural networks.
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