Sleep Deprivation and Performance: Aging and Repetition
Final rept. Aug 1978-Dec 1979
FLORIDA UNIV GAINESVILLE
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The effects on performance across forty eight hours including two night of sleep loss were studied. The experimental variables were subject age and repetition of deprivation periods. Six 18-22 year old subjects were subjected to five repeated 48 h session with an intervening three weeks between periods. Subjective measures and vigilance tasks showed substantial deprivation effects cognitively demanding tasks were less affected. Where repetition resulted in change the effects were decremental rather than offsetting. The performance of 10 subjects who were 40-50 years of age was compared with younger subjects above using a single deprivation. The older subjects, who generally exhibited superior performance, were also more affected by acute sleep deprivation.
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