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Changes in Affect Scores Across 62 Hours of Total Sleep Deprivation

Emotional Ups and Downs - Board: EM-092
Saturday, May 23, 2009, 5:00 PM - 6:00 PM
Yerba Buena 7

Angela K. Bowen
Washington State University

Adrienne M. Tucker
Columbia University

John M. Hinson
Washington State University

Paul Whitney
Washington State University

Gregory Belenky
Washington State University

Hans P.A. Van Dongen
Washington State University

Across 62 hours of total sleep deprivation in a controlled laboratory environment, positive affect as measured repeatedly with the positive and negative affect schedule (PANAS) scale decreased significantly, and was modulated by circadian rhythm. Negative affect showed the inverse pattern. Subjective sleepiness predicted PANAS scores, suggesting shared underlying mechanisms.

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Walter Mischel