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Effects of exercise on brain and cognition across age groups and health states

Stillman, C.M., Esteban-Cornejo, I., Brown, B.ORCID: 0000-0001-7927-2540, Bender, C.M. and Erickson, K.I. (2020) Effects of exercise on brain and cognition across age groups and health states. Trends in Neurosciences, 43 (7). P533-543.

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Exercise has been shown to benefit brain structure and function, particularly in aging populations. However, the mechanisms by which exercise exerts its effects, especially in humans, are not fully understood. This review argues that one reason for this knowledge gap is that exercise likely operates through multiple levels of mechanisms. Furthermore, the mechanisms of exercise may vary depending on factors such as age and health state. We discuss the state of evidence at each of three levels of analysis (molecular/cellular, brain structure/function, and mental states and higher-order behaviors) and highlight consistencies across these levels, inconsistencies within them, and knowledge gaps. Lastly, based on these, we speculate about which mechanisms of exercise may be universal across age groups and populations versus those that might be distinct to specific age ranges or populations.

Item Type: Journal Article
Murdoch Affiliation(s): Psychology, Counselling, Exercise Science and Chiropractic
Publisher: Cell Press
Copyright: © 2020 Elsevier Ltd.
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