Effects of repetitive exercise and thermal stress on human cognitive processing

Physiological Reports
Manabu ShibasakiHiroki Nakata

Abstract

Cognitive performances may improve after acute moderate exercise, but not after prolonged and/or heavy exercise. The present study aimed to investigate the effects of environmental temperature during exercise on human cognitive processing. Fifteen healthy males performed four bouts of a 15-min cycling exercise with a 10-min rest between each bout, and event-related potentials (ERPs) were recorded in five sessions during somatosensory Go/No-go paradigms (i.e., Pre, post-first exercise bout, post-second exercise bout, post-third exercise bout, and post-fourth exercise bout) in an environmental chamber with temperature controlled at 20°C (Temperate) and 35°C (Hot). Increases in external canal temperature and heart rate were greater under the 35°C condition than under the 20°C condition. Regardless of thermal conditions, reaction times (RT) and error rates were not affected by the repetition of moderate exercise, whereas the peak amplitude of the N140 component, which is mainly related to somatosensory processing, was significantly reduced with the repetition of the exercise. However the peak amplitude of P300, which is linked to cognitive processes of context updating, context closure, and event-categorization, was significantly s...Continue Reading

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Citations

Jul 11, 2019·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Hiroki NakataManabu Shibasaki
Dec 30, 2020·Anxiety, Stress, and Coping·Francisco Molins, Miguel Ángel Serrano

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