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Activating Autophagy by Aerobic Exercise in Mice
Published on: February 3, 2017
Acute aerobic exercise and information processing: energizing motor processes during a choice reaction time task
Michel Audiffren1, Phillip D Tomporowski, James Zagrodnik
1Université de Poitiers, Centre de Recherche sur la Cognition et l'Apprentissage, CNRS, MSHS, 99 Avenue du Recteur Pineau, 86000 Poitiers, France. michel.audiffren@mshs.univ-poitiers.fr
Abstract:
The immediate and short-term after effects of a bout of aerobic exercise on young adults' information processing were investigated. Seventeen participants performed an auditory two-choice reaction time (RT) task before, during, and after 40 min of ergometer cycling. In a separate session, the same sequence of testing was completed while seated on an ergometer without pedalling. Results indicate that exercise (1) improves the speed of reactions by energizing motor outputs; (2) interacts with the arousing effect of a loud auditory signal suggesting a direct link between arousal and activation; (3) gradually reduces RT and peaks between 15 and 20 min; (4) effects on RT disappear very quickly after exercise cessation; and (5) effects on motor processes cannot be explained by increases in body temperature caused by exercise. Taken together, these results support a selective influence of acute aerobic exercise on motor adjustment stage.
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