Research Topics
| Gary H KamimoriSummaryAffiliation: Walter Reed Army Medical Center Country: USA Publications
| Collaborators
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Detail Information
Publications
Caffeine improves physical performance during 24 h of active wakefulnessTom M McLellan
Defence R and D Canada Toronto, Toronto, ON, Canada
Aviat Space Environ Med 75:666-72. 2004..It was the purpose of this study to examine the effects of caffeine on activities chosen to simulate the physical challenges that might occur during a military scenario involving a period of sleep loss...- Caffeine maintains vigilance and marksmanship in simulated urban operations with sleep deprivationTom M McLellan
Defence R and D Canada Toronto, 1133 Sheppard Avenue West, P O Box 2000, Toronto, Ontario, Canada M3M 3B9
Aviat Space Environ Med 76:39-45. 2005..The purpose of this study was to examine the effects of caffeine (CAF) on physical, vigilance, and marksmanship tasks in soldiers during a sustained 55-h field exercise... - Multiple dose pharmacokinetics of caffeine administered in chewing gum to normal healthy volunteersShariq A Syed
Pharmacokinetics-Biopharmaceutics Laboratory, Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland at Baltimore, AHB 540A, 100 Penn Street, 21201, USA
Biopharm Drug Dispos 26:403-9. 2005.... - Catecholamine levels in hypoxia-lnduced acute mountain sicknessGary H Kamimori
Department of Behavioral Biology, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
Aviat Space Environ Med 80:376-80. 2009..Enhanced sympathoadrenal activity has been implicated in the pathogenesis of acute mountain sickness (AMS). This study was designed to examine the time course of circulating catecholamines in individuals with and without AMS... - The trait of Introversion-Extraversion predicts vulnerability to sleep deprivationWilliam D S Killgore
Department of Behavioral Biology, Walter Reed Army Institute of Research, Silver Spring, MD, USA
J Sleep Res 16:354-63. 2007.... - Multiple caffeine doses maintain vigilance during early morning operationsGary H Kamimori
Department of Behavioral Biology, Walter Reed Army Institute of Research, Washington, DC, USA
Aviat Space Environ Med 76:1046-50. 2005..The goal of this study was to determine the optimal dose of caffeine for sustaining performance during sleep loss with administration of multiple doses... - Sleep deprivation reduces perceived emotional intelligence and constructive thinking skillsWilliam D S Killgore
Department of Behavioral Biology, Division of Psychiatry and Neuroscience, Walter Reed Army Institute of Research, 503 Robert Grant Avenue, Silver Spring, MD 20910, USA
Sleep Med 9:517-26. 2008.... - Baseline odor identification ability predicts degradation of psychomotor vigilance during 77 hours of sleep deprivationWilliam D S Killgore
Department of Behavioral Biology Division of Psychiatry and Neuroscience, Walter Reed Army Institute of Research, Washington, DC, USA
Int J Neurosci 118:1207-25. 2008..Individual differences in trait-like functioning of the orbitofrontal cortex are predictive of the ability to sustain alertness and vigilance during continuous wakefulness... - Effects of acute caffeine withdrawal on Short Category Test performance in sleep-deprived individualsWilliam D S Killgore
Department of Behavioral Biology, Walter Reed Army Institute of Research, USA
Percept Mot Skills 105:1265-74. 2007..These findings suggest that acute caffeine withdrawal during prolonged sleep deprivation has an adverse effect on abstract reasoning and concept formation... - The effects of 53 hours of sleep deprivation on moral judgmentWilliam D S Killgore
Division of Psychiatry and Neuroscience, Department of Behavioral Biology, Walter Reed Army Institute of Research WRAIR, Silver Spring, MD 20910, USA
Sleep 30:345-52. 2007..Activity in this region has also been shown to decline significantly during sleep loss. We therefore examined the effects of 2 nights of sleep deprivation on several aspects of moral judgment... - Caffeine effects on risky decision making after 75 hours of sleep deprivationWilliam D S Killgore
Department of Behavioral Biology, Walter Reed Army Institute of Research WRAIR, 503 Robert Grant Avenue, Silver Spring, MD 20910, USA
Aviat Space Environ Med 78:957-62. 2007..However, it is unknown to what extent such deficits are exacerbated in a dose-response manner by increasing levels of sleepiness, and the extent to which such sleep-loss-induced deficits can be reversed by caffeine... - Caffeine effects on recovery sleep following 27 h total sleep deprivationCynthia M LaJambe
Department of Behavioral Biology, Division of Neurosciences, Walter Reed Army Institute of Research, Silver Spring, MD, USA
Aviat Space Environ Med 76:108-13. 2005..Caffeine is widely used to reverse alertness and performance decrements. However, caffeine's effects on subsequent recovery sleep and post-recovery performance are not well documented and, therefore, were evaluated... - Caffeine protects against increased risk-taking propensity during severe sleep deprivationWilliam D S Killgore
Department of Behavioral Biology, Walter Reed Army Institute of Research, Silver Spring, MD, USA
J Sleep Res 20:395-403. 2011..These results suggest that 3 nights of total sleep deprivation led to a significant increase in behavioral risk-taking but not self-reported perception of risk-propensity. Overnight caffeine prevented this increase in risky behavior... - Automated Neuropsychological Assessment Metrics: repeated assessment with two military samplesStephanie E Eonta
Naval Medical Research Center, Silver Spring, MD 20910 7500, USA
Aviat Space Environ Med 82:34-9. 2011..of this report was to evaluate performance following multiple administrations of the ANAM4 TBI Battery: does performance in a repeated measures paradigm constitute a stable, interpretable indication of baseline neurocognitive ability?.. - The effects of sleep deprivation on symptoms of psychopathology in healthy adultsEllen T Kahn Greene
Department of Behavioral Biology, Division of Psychiatry and Neuroscience, Walter Reed Army Institute of Research WRAIR, 503 Robert Grant Avenue, Silver Spring, MD 20910, USA
Sleep Med 8:215-21. 2007..However, the extent to which sleep deprivation may be associated with the emergence of clinical symptoms of psychopathology in healthy normal individuals is not clear... - The rate of absorption and relative bioavailability of caffeine administered in chewing gum versus capsules to normal healthy volunteersGary H Kamimori
Department of Neurobiology and Behavior, Walter Reed Army Institute of Research, Silver Spring, MD 20910-7500, USA
Int J Pharm 234:159-67. 2002.... - On the importance of countermeasures in sleep and performance modelsThomas J Balkin
Department of Behavioral Biology, Walter Reed Army Institute of Research, Silver Spring, MD 20910-7500, USA
Aviat Space Environ Med 75:A155-7. 2004 - Substrate oxidation is altered in women during exercise upon acute altitude exposureBeth A Beidleman
Thermal and Mountain Medicine Division, United States Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
Med Sci Sports Exerc 34:430-7. 2002..The purpose of this study was to determine whether substrate oxidation during submaximal exercise in women is affected by an acute exposure to 4300-m altitude and menstrual cycle phase... - Trait-anger enhances effects of caffeine on psychomotor vigilance performanceWilliam D S Killgore
Department of Behavioral Biology, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
Percept Mot Skills 103:883-6. 2006..Findings suggest a possible synergistic effect between personality traits associated with arousal of the central nervous system and vigilance-promoting effects of caffeine... - Caffeine maintains vigilance and improves run times during night operations for Special ForcesTom M McLellan
DRDC Toronto, Toronto, ON, Canada
Aviat Space Environ Med 76:647-54. 2005..This study examined the effects of caffeine (CAF) on vigilance, marksmanship, and run performance during 27 h of sustained wakefulness in Special Forces personnel... - Caffeine effects on physical and cognitive performance during sustained operationsTom M McLellan
Individual Readiness Section, DRDC Toronto, 1133 Sheppard Avenue West, PO Box 2000, Toronto, Ontario M3M 3B9, Canada
Aviat Space Environ Med 78:871-7. 2007..This study examined caffeine (CAF) effects on physical performance and vigilance during 4 d and 3 nights of sustained operations in Special Forces personnel... - Lack of effect of Rhodiola or oxygenated water supplementation on hypoxemia and oxidative stressStacie L Wing
University of Utah, Salt Lake City, UT 841122, USA
Wilderness Environ Med 14:9-16. 2003..Hypoxia-induced oxidative stress was observed in the control group only. Both supplements appeared not to increase oxidative stress and may decrease free radical formation after hypoxic exposure compared with the control... - The effects of nicotine on the metabolic and hormonal responses during acute cold exposureChristopher C Cheatham
Department of Health, Physical Education, and Recreation, Western Michigan University, 1903 W Michigan Ave, Kalamazoo, MI 49008, USA
Wilderness Environ Med 17:147-57. 2006..To examine the effects of nicotine on the metabolic and hormonal responses during acute cold exposure... - Stress hormones, effort sense, and perceptions of stress during incremental exercise: an exploratory investigationEdmund O Acevedo
Department of Health and Human Performance, Virginia Commonwealth University, Richmond 23284, USA
J Strength Cond Res 21:283-8. 2007....