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Tyrosine Supplementation Attenuates Cognitive and Psychomotor Deficits in Cold Environments

机译:酪氨酸补充减轻寒冷环境中的认知和精神运动缺陷

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In rats, dietary supplementation with the amino acid tyrosine (TYR) prevented depletion of central catecholamines observed during acute environmental stress. Concomitant changes in the animals' behavioral and cognitive responses to stress suggest that TYR might have similar effects on cognitive, psychomotor, and physical performance in humans exposed to environmental stress. This study evaluated the effect of TYR supplementation on cognitive, psychomotor, and physical performance during and following a cold water immersion that lowered body core temperature. Volunteers completed a control trial (CON) in warm (35-deg C) water and two cold water trials (10-18- deg C), each spaced a week apart.

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