Does Cardiorespiratory Fitness Influence the Effect of Acute Aerobic Exercise on Executive Function? - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Frontiers in Human Neuroscience Année : 2020

Does Cardiorespiratory Fitness Influence the Effect of Acute Aerobic Exercise on Executive Function?

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Résumé

Background: The beneficial effects of acute exercise on executive function have been well-documented, but the influence of cardiorespiratory fitness on this effect requires further investigations, especially using imaging technique. This study aimed to examine the effects of cardiorespiratory fitness on acute exercise-induced changes on behavioral performance and on functional brain activation.Method: Based on their cardiorespiratory fitness level, 62 participants ranked in the top and bottom of the maximum oxygen consumption (VO2 max) were finally selected and allocated to high-fit group or low-fit group. Both groups were asked to complete the Stroop task after 30 min of aerobic exercise and chair-seated rest (control session). Among them, 26 participants were randomly selected and asked to undergo the Functional Magnetic Resonance Imaging (fMRI).Results: Behavioral results showed that individuals responded significantly faster after exercise than those in the control session. The fMRI results revealed a significant interaction effects of Group by Session in brain regions including anterior cingulate cortex (ACC) and bilateral dorsal lateral prefrontal cortex (DLPFC). For the ACC, activation in the high-fit group was significantly decreased after aerobic exercise compared to those in the control session; whereas an increased activation was noticed in the low-fit group. Regarding to the bilateral DLPFC, activation in high-fit group was significantly decreased after exercise compared to those in the control session, while no significant differences were found in the low-fit group. In addition, for the post-exercise session, a significant positive correlations between activation of the ACC and left DLPFC in the high-fit group was observed. There was a significant negative correlation between activation of the ACC and reaction time in the congruent condition after exercise in the low-fit group.Conclusion: Findings further clarify the neurophysiological processes of acute exercise-induced changes in cognitive performance as they suggest that cardiorespiratory fitness is an important factor which influences changes in brain activation patterns in response to acute aerobic exercises.
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hal-03198039 , version 1 (14-04-2021)

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Jie Cui, Liye Zou, Fabian Herold, Qian Yu, Can Jiao, et al.. Does Cardiorespiratory Fitness Influence the Effect of Acute Aerobic Exercise on Executive Function?. Frontiers in Human Neuroscience, 2020, 14, pp.569010. ⟨10.3389/fnhum.2020.569010⟩. ⟨hal-03198039⟩
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