Holly L McClung, Matthcw R. Ely, Harris R. Licbennan, Julie E. Smith,. H07-IO. Susan M. McGraw, Phil J. Niro, Betty A. Davis, Andrew 1. Young, SCOII J. e.
u.s. Army Research Institute of Environmental Medicine Natick, Massachusetts TECHNICAL REPORT NO. 1'11-01 DATE May 2011 ADA
A SNACK-BASED RATION CONTAINING CAFFEINE INCREASES CALORIC INTAKE AND IMPROVES COGNITIVE PERFORMANCE
Approved for Public Release; Distribution Is Unlimited
United States Army Medical Research & Materiel Command
Form Approved OMB No. 0704"(]188
REPORT DOCUMENTATION PAGE
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1 1 1 1
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-SO
il 0
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100
150
o
200
Change PVT Reaction time Hour 72 - Baseline, ms
Change PYT mini lapse # Hour 72 - Baseline
P=O.02
P=O.02
Simple visual reaction time and lapses were measured daily using the Psychomotor Vigilance Test (PVT). Average reaction times (A) and minor lapses (8) are presented as group averages MRE"" (0) and FSR® (e ) ± 95% CI. The shaded area along the y-axis represents the zone of indifference (4% coefficient of variance) . • (P