Document Detail


Aerobic exercise and neurocognitive performance: a meta-analytic review of randomized controlled trials.
MedLine Citation:
PMID:  20223924     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: To assess the effects of aerobic exercise training on neurocognitive performance. Although the effects of exercise on neurocognition have been the subject of several previous reviews and meta-analyses, they have been hampered by methodological shortcomings and are now outdated as a result of the recent publication of several large-scale, randomized, controlled trials (RCTs).
METHODS: We conducted a systematic literature review of RCTs examining the association between aerobic exercise training on neurocognitive performance between January 1966 and July 2009. Suitable studies were selected for inclusion according to the following criteria: randomized treatment allocation; mean age > or =18 years of age; duration of treatment >1 month; incorporated aerobic exercise components; supervised exercise training; the presence of a nonaerobic-exercise control group; and sufficient information to derive effect size data.
RESULTS: Twenty-nine studies met inclusion criteria and were included in our analyses, representing data from 2049 participants and 234 effect sizes. Individuals randomly assigned to receive aerobic exercise training demonstrated modest improvements in attention and processing speed (g = 0.158; 95% confidence interval [CI]; 0.055-0.260; p = .003), executive function (g = 0.123; 95% CI, 0.021-0.225; p = .018), and memory (g = 0.128; 95% CI, 0.015-0.241; p = .026).
CONCLUSIONS: Aerobic exercise training is associated with modest improvements in attention and processing speed, executive function, and memory, although the effects of exercise on working memory are less consistent. Rigorous RCTs are needed with larger samples, appropriate controls, and longer follow-up periods.
Authors:
Patrick J Smith; James A Blumenthal; Benson M Hoffman; Harris Cooper; Timothy A Strauman; Kathleen Welsh-Bohmer; Jeffrey N Browndyke; Andrew Sherwood
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Publication Detail:
Type:  Journal Article; Meta-Analysis; Research Support, N.I.H., Extramural; Review     Date:  2010-03-11
Journal Detail:
Title:  Psychosomatic medicine     Volume:  72     ISSN:  1534-7796     ISO Abbreviation:  Psychosom Med     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-04-16     Completed Date:  2010-05-11     Revised Date:  2014-09-19    
Medline Journal Info:
Nlm Unique ID:  0376505     Medline TA:  Psychosom Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  239-52     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adult
Age Factors
Aged
Aged, 80 and over
Attention / physiology
Cognition / physiology
Cognition Disorders / diagnosis,  therapy*
Executive Function / physiology
Exercise / physiology*,  psychology
Exercise Therapy / methods
Humans
Memory / physiology
Middle Aged
Neuropsychological Tests / statistics & numerical data*
Randomized Controlled Trials as Topic / statistics & numerical data*
Treatment Outcome
Grant Support
ID/Acronym/Agency:
HL080664-01A1/HL/NHLBI NIH HHS; M01-RR-30/RR/NCRR NIH HHS; MH 49679/MH/NIMH NIH HHS; R01 HL080664/HL/NHLBI NIH HHS; R01 HL080664-01A1/HL/NHLBI NIH HHS; R01 MH049679/MH/NIMH NIH HHS; R01 MH049679-05/MH/NIMH NIH HHS
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