Document Detail


Exercise improves reaction time without compromising accuracy in a novel easy-to-administer tablet-based cognitive task.
MedLine Citation:
PMID:  23337198     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: Moderate intensity aerobic exercise is known to facilitate cognitive performance but new technologies enable increasing opportunities to investigate this phenomenon under different circumstances. This study aimed to describe the effect of exercise on executive function assessed though a novel tablet-based test. DESIGN: Twenty healthy, active participants volunteered to take part in the randomised fully controlled trial. METHODS: Participants undertook an initial test of maximal aerobic capacity as well as ventilatory threshold during an incremental cycle test. A touch screen tablet computer was placed in the middle of the handlebars at an angle of approximately 45°, and participants were asked to complete the response-inhibition cognitive task (Speed Match, Lumos Labs Inc.) at set time points. A full familiarisation trial was performed prior to subsequent visits, in which participants completed either the control (no exercise) and exercise (90% ventilatory threshold (VT)) trials in a randomised order. During the 1h trials, the cognitive task was performed prior to, during and post the intervention. Reaction time and accuracy of participant responses were recorded. RESULTS: Performing the cognitive task resulted in elevated heart rates and ventilation rates during control and exercise. Exercise facilitated performance in the executive function task such that reaction time was enhanced with no change in accuracy. A range of reliability measures are also reported. CONCLUSIONS: This method of assessing executive function during exercise displays face validity and provides promise for further investigation of cognitive function using a simple, short duration, easily administered and widely available test.
Authors:
Ben Rattray; Disa Smee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-18
Journal Detail:
Title:  Journal of science and medicine in sport / Sports Medicine Australia     Volume:  -     ISSN:  1878-1861     ISO Abbreviation:  J Sci Med Sport     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9812598     Medline TA:  J Sci Med Sport     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Crown Copyright © 2012. Published by Elsevier Ltd. All rights reserved.
Affiliation:
National Institute of Sport Studies, Faculty of Health, University of Canberra, University Drive, Bruce ACT 2614, Australia. Electronic address: ben.rattray@canberra.edu.au.
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