Document Detail


Decline in executive control during acute bouts of exercise as a function of exercise intensity and fitness level.
MedLine Citation:
PMID:  23146780     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Studies on the effects of acute bouts of cardiovascular exercise on cognitive performances show contradictory findings due to methodological differences (e.g., exercise intensity, cognitive function assessed, participants' aerobic fitness level, etc.). The present study assessed the acute effect of exercise intensity on cognition while controlling for key methodological confounds. Thirty-seven participants (M(age)=23. 8years; SD=2.6) completed a computerized modified-Stroop task (involving denomination, inhibition and switching conditions) while pedalling at 40%, 60% and 80% of their peak power output (PPO). Results showed that in the switching condition of the task, error rates increased as a function of exercise intensity (from 60% to 80% of PPO) in all participants and that lower fit individuals showed increased reaction time variability. This suggests that acute bouts of cardiovascular exercise can momentarily alter executive control and increase performance instability in lower fit individuals.
Authors:
Véronique Labelle; Laurent Bosquet; Saïd Mekary; Louis Bherer
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-9
Journal Detail:
Title:  Brain and cognition     Volume:  81     ISSN:  1090-2147     ISO Abbreviation:  Brain Cogn     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8218014     Medline TA:  Brain Cogn     Country:  -    
Other Details:
Languages:  ENG     Pagination:  10-17     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Affiliation:
Département de Psychologie, Université du Québec à Montréal C.P. 8888 succursale Centre-ville, Montréal, QC, Canada H3C 3P8; Centre de Recherche, Institut Universitaire de Gériatrie de Montréal, 4565, chemin Queen Mary Montréal, QC, Canada H3W 1W5. Electronic address: veronique.g.labelle@gmail.com.
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