Improved sensorimotor adaptation after exhaustive exercise is accompanied by altered brain activity

Mierau, Andreas, Schneider, Stefan, Abel, Thomas, Askew, Christopher, Werner, Susen, & Strüder, Heiko K. (2009) Improved sensorimotor adaptation after exhaustive exercise is accompanied by altered brain activity. Physiology & Behavior, 96(1), pp. 115-121.

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Acute exercise has been shown to exhibit different effects on human sensorimotor behavior; however, the causes and mechanisms of the responses are often not clear. The primary aim of the present study was to determine the effects of incremental running until exhaustion on sensorimotor performance and adaptation in a tracking task. Subjects were randomly assigned to a running group (RG), a tracking group (TG), or a running followed by tracking group (RTG), with 10 subjects assigned to each group. Treadmill running velocity was initially set at 2.0 m s− 1, increasing by 0.5 m s− 1 every 5 min until exhaustion. Tracking consisted of 35 episodes (each 40 s) where the subjects' task was to track a visual target on a computer screen while the visual feedback was veridical (performance) or left-right reversed (adaptation). Resting electroencephalographic (EEG) activity was recorded before and after each experimental condition (running, tracking, rest). Tracking performance and the final amount of adaptation did not differ between groups. However, task adaptation was significantly faster in RTG compared to TG. In addition, increased alpha and beta power were observed following tracking in TG but not RTG although exhaustive running failed to induce significant changes in these frequency bands. Our results suggest that exhaustive running can facilitate adaptation processes in a manual tracking task. Attenuated cortical activation following tracking in the exercise condition was interpreted to indicate cortical efficiency and exercise-induced facilitation of selective central processes during actual task demands.

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9 citations in Web of Science®
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ID Code: 46343
Item Type: Journal Article
Refereed: Yes
Keywords: Exercise, Sensorimotor adaptation, EEG, Cortical activation, Exhaustion, Tracking
DOI: 10.1016/j.physbeh.2008.09.002
ISSN: 0031-9384
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > MEDICAL PHYSIOLOGY (111600)
Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100)
Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > COGNITIVE SCIENCE (170200)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Copyright Owner: © 2008 Elsevier Inc. All rights reserved.
Copyright Statement: NOTICE: this is the author’s version of a work that was accepted for publication in Physiology & Behavior. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Physiology & Behavior [VOL 96, ISSUE 1, (2008)] DOI 10.1016/j.physbeh.2008.09.002
Deposited On: 07 Oct 2011 00:09
Last Modified: 16 Jul 2017 10:10

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