期刊
AVIATION SPACE AND ENVIRONMENTAL MEDICINE
卷 80, 期 5, 页码 A62-A65出版社
AEROSPACE MEDICAL ASSOC
DOI: 10.3357/ASEM.BR09.2009
关键词
WinSCAT; spaceflight; cognitive function assessment tool
资金
- NASA Flight Analogs Project [M01 RR 0073]
Introduction: This report is one of a series on the Flight Analog Project, which is designed to lay the groundwork for a standard bed rest protocol. The Spaceflight Cognitive Assessment Tool for Windows (WinSCAT) is a self-administered battery of tests used on the International Space Station for evaluating cognitive functioning. Here, WinSCAT was used to assess cognitive functioning during extended head-down bed rest. Methods: There were 13 subjects who participated in 60 or 90 d of head-down bed rest and took WinSCAT during the pre-bed rest phase, the in-bed rest phase, and the post-bed rest (reconditioning) phase of study participation. Results: After adjusting for individual baseline performance, 12 off-nominal scores were observed out of 351 total observations during bed rest and 7 of 180 during reconditioning. No evidence was found for systematic changes in off-nominal incidence as time in bed rest progressed, or during the reconditioning period. Discussion: Cognitive functioning does not appear to be adversely affected by long-duration head-clown bed rest. individual differences in underlying cognitive ability and motivation level are likely explanations for the current findings.
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