Effects of sleep deprivation on cognitive performance by United States Air Force pilots |
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| Authors: | Nadia Lopez Fred H. Previc Joseph Fischer Richard P. Heitz Randall W. Engle |
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| Affiliation: | 1. Air Force Research Laboratory, Biodynamics and Protection Division, United States;2. Texas A& M University, United States;3. Wyle I S & E, United States;4. Vanderbilt University, United States;5. School of Psychology, Georgia Institute of Technology, 654 Cherry Street, Atlanta, GA 30332-0170, United States;1. Behavioral Biology Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Silver Spring, MD;2. Department of Sleep Medicine, San Antonio Military Medical Center, Lackland, TX;1. The Boeing Company, Seattle, WA, USA;2. Fred Hutchinson Cancer Research Center, Seattle, WA, USA;1. Research Laboratory “Sports Performance Optimization” National Center of Medicine and Science in Sports (CNMSS), Tunis, Tun isia;2. High Institute of Sport and Physical Education, S Tunisia;3. High Institute of Sport and Physical Education Ksar Said, Manouba University, Tunisia;1. Department of Cognitive Science, University of California, Irvine USA;2. Department of Psychiatry, University of California, San Francisco, CA, USA;3. Department of Medicine, University of California, San Diego, CA, USA;1. Department of Clinical and Experimental Medicine, Section of Geriatrics, Endocrinology of Aging Unit, University of Parma, Italy;2. Geriatric Rehabilitation Department, University Hospital of Parma, Parma, Italy;3. Nuclear Medicine Unit, University Hospital of Parma, Parma, Italy;4. Department of Neurosciences, University of Parma, Italy |
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| Abstract: | This study examined the effects of 35 h of continuous sleep deprivation on performance in a variety of cognitive tasks as well as simulated flight. Ten United States Air Force pilots completed the Multi-Attribute Task Battery (MATB), Psychomotor Vigilance Task (PVT), and Operation Span Task (OSPAN), as well as simulated flight at 3 h intervals over a 35 h sleep deprivation period. Performance declined on all tests after about 18–20 h of continuous sleep deprivation, although the degree to which performance degraded varied. During the second half of the sleep deprivation period, performance on the simulated flight was predicted by PVT and OSPAN reasonably well but much less so by the MATB. Variance from optimal flight performance was predicted by both PVT and OSPAN but each measure added incremental validity to the prediction. The two measures together accounted for 58% of the variance in flight performance in the second half of the sleep deprivation period. |
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