Melanie Berger, Fabienne Bruggisser, Anja Schwarz, Rahel Leuenberger, Manuel Hanke, Markus Gerber, Sebastian Ludyga
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引用次数: 0
Abstract
Objectives
To investigate whether a single session of aerobic exercise improves inhibitory control in preadolescent children and whether this effect is mediated by changes in parasympathetic activity.
Design
In this experimental study, an intervention and control group were pair-matched by age, sex and moderate-to-vigorous physical activity.
Method
114 participants either completed a 20 min moderately-intense exercise bout on a cycling ergometer or watched a 20 min video. Prior to and after these conditions, a computer-based Stroop task was administered. During the cognitive task, heart rate variability (HRV) was measured using electrocardiography.
Results
Path-analyses did not support an association between group and posttest accuracy on the Stroop task, while controlling for pretest scores. However, the intervention group had lower time-domain based HRV at posttest. The examination of mediation models revealed a moderation by sex, as the relation of lower time-domain based HRV with higher accuracy on both congruent and incongruent trials of the Stroop task was observed in girls only.
Conclusion
A single aerobic exercise session does not necessarily improve inhibitory control in preadolescent children. However, the manipulation of the autonomic state towards a parasympathetic withdrawal has the potential to alter inhibitory control in girls in particular.
期刊介绍:
Physiology & Behavior is aimed at the causal physiological mechanisms of behavior and its modulation by environmental factors. The journal invites original reports in the broad area of behavioral and cognitive neuroscience, in which at least one variable is physiological and the primary emphasis and theoretical context are behavioral. The range of subjects includes behavioral neuroendocrinology, psychoneuroimmunology, learning and memory, ingestion, social behavior, and studies related to the mechanisms of psychopathology. Contemporary reviews and theoretical articles are welcomed and the Editors invite such proposals from interested authors.