Physical Activity, Cognition, and Brain Outcomes: A Review of the 2018 Physical Activity Guidelines

Kirk I. Erickson, Charles Hillman, Chelsea M. Stillman, Rachel M. Ballard, Bonny Bloodgood, David E. Conroy, Richard Macko, David X. Marquez, Steven J. Petruzzello, Kenneth E. Powell

Research output: Contribution to journalReview article

Abstract

Purpose Physical activity (PA) is known to improve cognitive and brain function, but debate continues regarding the consistency and magnitude of its effects, populations and cognitive domains most affected, and parameters necessary to achieve the greatest improvements (e.g., dose). Methods In this umbrella review conducted in part for the 2018 Health and Human Services Physical Activity Guidelines for Americans Advisory Committee, we examined whether PA interventions enhance cognitive and brain outcomes across the life span, as well as in populations experiencing cognitive dysfunction (e.g., schizophrenia). Systematic reviews, meta-analyses, and pooled analyses were used. We further examined whether engaging in greater amounts of PA is associated with a reduced risk of developing cognitive impairment and dementia in late adulthood. Results Moderate evidence from randomized controlled trials indicates an association between moderate- to vigorous-intensity PA and improvements in cognition, including performance on academic achievement and neuropsychological tests, such as those measuring processing speed, memory, and executive function. Strong evidence demonstrates that acute bouts of moderate- to vigorous-intensity PA have transient benefits for cognition during the postrecovery period after exercise. Strong evidence demonstrates that greater amounts of PA are associated with a reduced risk of developing cognitive impairment, including Alzheimer's disease. The strength of the findings varies across the life span and in individuals with medical conditions influencing cognition. Conclusions There is moderate-to-strong support that PA benefits cognitive functioning during early and late periods of the life span and in certain populations characterized by cognitive deficits.

Original languageEnglish (US)
Pages (from-to)1242-1251
Number of pages10
JournalMedicine and Science in Sports and Exercise
Volume51
Issue number6
DOIs
StatePublished - Jun 1 2019

Fingerprint

Cognition
Guidelines
Brain
Population
Neuropsychological Tests
Executive Function
Advisory Committees
Health Services
Dementia
Meta-Analysis
Schizophrenia
Alzheimer Disease
Randomized Controlled Trials
Cognitive Dysfunction

Keywords

  • ACADEMIC ACHIEVEMENT
  • ACUTE EXERCISE
  • BRAIN
  • COGNITIVE FUNCTION
  • DEMENTIA
  • FITNESS

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Erickson, K. I., Hillman, C., Stillman, C. M., Ballard, R. M., Bloodgood, B., Conroy, D. E., ... Powell, K. E. (2019). Physical Activity, Cognition, and Brain Outcomes: A Review of the 2018 Physical Activity Guidelines. Medicine and Science in Sports and Exercise, 51(6), 1242-1251. https://doi.org/10.1249/MSS.0000000000001936

Physical Activity, Cognition, and Brain Outcomes : A Review of the 2018 Physical Activity Guidelines. / Erickson, Kirk I.; Hillman, Charles; Stillman, Chelsea M.; Ballard, Rachel M.; Bloodgood, Bonny; Conroy, David E.; Macko, Richard; Marquez, David X.; Petruzzello, Steven J.; Powell, Kenneth E.

In: Medicine and Science in Sports and Exercise, Vol. 51, No. 6, 01.06.2019, p. 1242-1251.

Research output: Contribution to journalReview article

Erickson, KI, Hillman, C, Stillman, CM, Ballard, RM, Bloodgood, B, Conroy, DE, Macko, R, Marquez, DX, Petruzzello, SJ & Powell, KE 2019, 'Physical Activity, Cognition, and Brain Outcomes: A Review of the 2018 Physical Activity Guidelines', Medicine and Science in Sports and Exercise, vol. 51, no. 6, pp. 1242-1251. https://doi.org/10.1249/MSS.0000000000001936
Erickson, Kirk I. ; Hillman, Charles ; Stillman, Chelsea M. ; Ballard, Rachel M. ; Bloodgood, Bonny ; Conroy, David E. ; Macko, Richard ; Marquez, David X. ; Petruzzello, Steven J. ; Powell, Kenneth E. / Physical Activity, Cognition, and Brain Outcomes : A Review of the 2018 Physical Activity Guidelines. In: Medicine and Science in Sports and Exercise. 2019 ; Vol. 51, No. 6. pp. 1242-1251.
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