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Neurol Clin Pract. 2018 Jun;8(3):257-265. doi: 10.1212/CPJ.0000000000000460.

Exercise for cognitive brain health in aging: A systematic review for an evaluation of dose.

Author information

1
Berenson-Allen Center for Noninvasive Brain Stimulation and Division of Cognitive Neurology (JG-O, TPM, AP-L), Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Departments of Physical Therapy (JG-O, DFC, LPC), Neurology (JG-O, KM, TR), and Evelyn F. McKnight Institute (JG-O, TR), University of Miami Miller School of Medicine, FL; Departamento de Fisioterapia (DFC, AO), Universidade Estadual de Ciências da Saúde de Alagoas, Maceió, Brazil; Departament de Psicobiologia i Ciències de la Salut (AP-L), Institut de Neurociències, Universitat Autònoma de Barcelona, Bellaterra, Spain; and Institut Guttmann (TPM, AP-L), Institut Universitari de Neurorehabilitació adscrit a la UAB, Badalona, Barcelona, Spain.

Abstract

Purpose of review:

We systematically appraised randomized controlled trials proposing exercise to influence cognition in older adults to (1) assess the methodologic quality using Cochrane criteria; (2) describe various exercise dose measures and assess their relationship with improved cognitive performance; and (3) identify consistent patterns of reported effects on cognition.

Recent findings:

There was overall good methodologic quality in all 98 included studies. The assessment of the relationship between improved cognition and various measures of exercise dose (session duration, weekly minutes, frequency, total weeks, and total hours) revealed a significant correlation with total hours. Improvements in global cognition, processing speed/attention, and executive function were most stable and consistent.

Summary:

We found that exercising for at least 52 hours is associated with improved cognitive performance in older adults with and without cognitive impairment. Exercise modes supported by evidence are aerobic, resistance (strength) training, mind-body exercises, or combinations of these interventions.

PMID:
30105166
PMCID:
PMC6075983
[Available on 2019-06-01]
DOI:
10.1212/CPJ.0000000000000460

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