Document Detail


Sex differences in the association between physical exercise and IQ.
MedLine Citation:
PMID:  23265022     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Previous research suggests that physical exercise may have beneficial effects on cognitive performance in children and the elderly, but little research has yet examined these associations in healthy adults. It was hypothesized that self-reported frequency and duration of physical exercise would correlate positively with measured intelligence on the Wechsler Abbreviated Scale of Intelligence in healthy young to middle aged adults (25 men, 28 women). Although there was a modest positive association between physical exercise and intelligence (IQ) for the group as a whole, when examined separately by sex, greater physical activity was associated with higher intelligence scores for women, whereas exercise level was essentially unrelated to intelligence among men. These associations remained consistent even after controlling for demographic and socioeconomic factors. The association between exercise and IQ appears to be moderated by sex in healthy adults, possibly through its effects on glucoregulation, insulin sensitivity, or other factors that differ between men and women.
Authors:
William D S Killgore; Zachary J Schwab
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Perceptual and motor skills     Volume:  115     ISSN:  0031-5125     ISO Abbreviation:  Percept Mot Skills     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-12-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401131     Medline TA:  Percept Mot Skills     Country:  United States    
Other Details:
Languages:  eng     Pagination:  605-17     Citation Subset:  IM    
Affiliation:
William D. "Scott" Killgore, Center for Depression, Anxiety, and Stress Research, McLean Hospital, Harvard Medical School, 115 Mill Street, Belmont, MA 02478, USA. killgore@mclean.harvard.edu
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