Nov 10 - Dreams

Nov 10 - Dreams - Thursday, November 10, 2011 Dreams...

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Thursday, November 10, 2011 Dreams Theories of Sleep Sleep Disorders Dream Content Next Time: More Dreams + Learning Scan: Finish Chapt. 6 + p. 235 – 242 Why do we sleep? What causes sleep disorders? What do we dream about? DR. HOBSON IS LOOKING AT THE EEG RACING FROM A PATIENT IN HIS SLEEP LAB. THE EEG IS DOMINATED BY DELTA WAVES. MOST LIKELY, THIS PERSON IS IN a. Stage 1 sleep b. Stage 2 sleep c. Stage 3 sleep d. Stage 4 sleep e. REM Theories of Sleep Why Do We Sleep? A. Restorative Function BUT… Little effect on task performance B. Evolutionary Benefit Webb (1975) C. REM deprived subjects show reduced ability to retain new information Note: REM specific D. Mood Adjustment Speed of cycling into REM correlated with positive mood on following day 1
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Thursday, November 10, 2011 Note: Depressed individuals tend to cycle into REM very quickly… perhaps this helps improve mood in some fashion Sleep Disorders About 15% of adults complain
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Nov 10 - Dreams - Thursday, November 10, 2011 Dreams...

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