Physical activity and cognitive function in individuals over 60 years of age: a systematic review

Ashley Carvalho,1,2 Irene Maeve Rea,2 Tanyalak Parimon,3,4 Barry J Cusack3,51Department of Public Health, 2School of Medicine, Dentistry and Biomedical Science, Queen’s University Belfast, Northern Ireland, UK; 3Research and Development Service, Veterans Affairs Medical Center, Boise, ID,...

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Autores principales:	Carvalho A, Rea IM, Parimon T, Cusack BJ
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2014
Materias:	Exercise Cognitive function Elderly Geriatrics RC952-954.6
Acceso en línea:	https://doaj.org/article/1c752b5ee7744c73baf2efd5cb6ff885
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spelling	oai:doaj.org-article:1c752b5ee7744c73baf2efd5cb6ff8852021-12-02T01:31:32ZPhysical activity and cognitive function in individuals over 60 years of age: a systematic review1178-1998https://doaj.org/article/1c752b5ee7744c73baf2efd5cb6ff8852014-04-01T00:00:00Zhttps://www.dovepress.com/physical-activity-and-cognitive-function-in-individuals-over-60-years--peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Ashley Carvalho,1,2 Irene Maeve Rea,2 Tanyalak Parimon,3,4 Barry J Cusack3,51Department of Public Health, 2School of Medicine, Dentistry and Biomedical Science, Queen’s University Belfast, Northern Ireland, UK; 3Research and Development Service, Veterans Affairs Medical Center, Boise, ID, USA; 4Division of Pulmonary and Critical Care Medicine, 5Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington, Seattle, WA, USABackground: It is unclear whether physical activity in later life is beneficial for maintenance of cognitive function. We performed a systematic review examining the effects of exercise on cognitive function in older individuals, and present possible mechanisms whereby physical activity may improve cognition.Methods: Sources consisted of PubMed, Medline, CINAHL, the Cochrane Controlled Trials Register, and the University of Washington, School of Medicine Library Database, with a search conducted on August 15, 2012 for publications limited to the English language starting January 1, 2000. Randomized controlled trials including at least 30 participants and lasting at least 6 months, and all observational studies including a minimum of 100 participants for one year, were evaluated. All subjects included were at least 60 years of age.Results: Twenty-seven studies met the inclusion criteria. Twenty-six studies reported a positive correlation between physical activity and maintenance or enhancement of cognitive function. Five studies reported a dose-response relationship between physical activity and cognition. One study showed a nonsignificant correlation.Conclusion: The preponderance of evidence suggests that physical activity is beneficial for cognitive function in the elderly. However, the majority of the evidence is of medium quality with a moderate risk of bias. Larger randomized controlled trials are needed to clarify the association between exercise and cognitive function and to determine which types of exercise have the greatest benefit on specific cognitive domains. Despite these caveats, the current evidence suggests that physical activity may help to improve cognitive function and, consequently, delay the progression of cognitive impairment in the elderly.Keywords: exercise, cognitive function, elderlyCarvalho ARea IMParimon TCusack BJDove Medical PressarticleExerciseCognitive functionElderlyGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 9, Pp 661-682 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Exercise Cognitive function Elderly Geriatrics RC952-954.6
spellingShingle	Exercise Cognitive function Elderly Geriatrics RC952-954.6 Carvalho A Rea IM Parimon T Cusack BJ Physical activity and cognitive function in individuals over 60 years of age: a systematic review
description	Ashley Carvalho,1,2 Irene Maeve Rea,2 Tanyalak Parimon,3,4 Barry J Cusack3,51Department of Public Health, 2School of Medicine, Dentistry and Biomedical Science, Queen’s University Belfast, Northern Ireland, UK; 3Research and Development Service, Veterans Affairs Medical Center, Boise, ID, USA; 4Division of Pulmonary and Critical Care Medicine, 5Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington, Seattle, WA, USABackground: It is unclear whether physical activity in later life is beneficial for maintenance of cognitive function. We performed a systematic review examining the effects of exercise on cognitive function in older individuals, and present possible mechanisms whereby physical activity may improve cognition.Methods: Sources consisted of PubMed, Medline, CINAHL, the Cochrane Controlled Trials Register, and the University of Washington, School of Medicine Library Database, with a search conducted on August 15, 2012 for publications limited to the English language starting January 1, 2000. Randomized controlled trials including at least 30 participants and lasting at least 6 months, and all observational studies including a minimum of 100 participants for one year, were evaluated. All subjects included were at least 60 years of age.Results: Twenty-seven studies met the inclusion criteria. Twenty-six studies reported a positive correlation between physical activity and maintenance or enhancement of cognitive function. Five studies reported a dose-response relationship between physical activity and cognition. One study showed a nonsignificant correlation.Conclusion: The preponderance of evidence suggests that physical activity is beneficial for cognitive function in the elderly. However, the majority of the evidence is of medium quality with a moderate risk of bias. Larger randomized controlled trials are needed to clarify the association between exercise and cognitive function and to determine which types of exercise have the greatest benefit on specific cognitive domains. Despite these caveats, the current evidence suggests that physical activity may help to improve cognitive function and, consequently, delay the progression of cognitive impairment in the elderly.Keywords: exercise, cognitive function, elderly
format	article
author	Carvalho A Rea IM Parimon T Cusack BJ
author_facet	Carvalho A Rea IM Parimon T Cusack BJ
author_sort	Carvalho A
title	Physical activity and cognitive function in individuals over 60 years of age: a systematic review
title_short	Physical activity and cognitive function in individuals over 60 years of age: a systematic review
title_full	Physical activity and cognitive function in individuals over 60 years of age: a systematic review
title_fullStr	Physical activity and cognitive function in individuals over 60 years of age: a systematic review
title_full_unstemmed	Physical activity and cognitive function in individuals over 60 years of age: a systematic review
title_sort	physical activity and cognitive function in individuals over 60 years of age: a systematic review
publisher	Dove Medical Press
publishDate	2014
url	https://doaj.org/article/1c752b5ee7744c73baf2efd5cb6ff885
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Physical activity and cognitive function in individuals over 60 years of age: a systematic review

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