Journal
BIOLOGICAL PSYCHOLOGY
Volume 89, Issue 2, Pages 528-531Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.biopsycho.2011.12.009
Keywords
Exercise; Event-related brain potentials (ERPs); P3; N2; Cognitive function
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Previous event-related brain potential (ERP) investigations have demonstrated that single bouts of physical activity have transient benefits to aspects of cognitive control. However, this line of research has yet to explore goal maintenance. ERPs were collected using a within-participants design with young-adults following 30-min of both moderate walking and a non-exercise control session. Participants completed three conditions of an AX-continuous performance task (AX-CPT) that targeted goal maintenance processes, which were placed under greater cognitive demand when contexts were conflicting, as indexed by modulation of the N2 and P3 components. Following exercise, individuals exhibited increased accuracy for target trials, and P3 amplitude was greater at midline-parietal sites for both target trials and non-target trials. These results suggest that a single bout of aerobic exercise may facilitate goal maintenance processes and enable individuals to better inhibit extraneous neural activity to allocate greater attentional resources towards the updating and revision of goal representations. (C) 2011 Elsevier B.V. All rights reserved.
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