Twin studies on the association of physical activity with cognitive and cerebral outcomes
Iso-Markku, P., Waller, K., Hautasaari, P., Kaprio, J., Kujala, U. M., & Tarkka, I. M. (2020). Twin studies on the association of physical activity with cognitive and cerebral outcomes. Neuroscience and Biobehavioral Reviews, 114, 1-11. https://doi.org/10.1016/j.neubiorev.2020.04.015
Published inNeuroscience and Biobehavioral Reviews
© 2020 The Authors. Published by Elsevier Ltd.
Regular physical activity (PA) offers positive effects on the human body. However, the effects of PA on cognition and in the brain are less clear. In this paper, we narratively review the relationship of PA with cognition and dementia, first from general perspective and then through genetically informed studies on the topic. Then we move on to imaging studies on exercise and brain anatomy first by presenting an overall picture of the topic and then discussing brain imaging studies addressing PA and brain structure in twins in more detailed way. Regarding PA and cognition or dementia, genetically informed studies are uncommon, even though the relationship between PA and cognitive ageing has been extensively studied. It is challenging to find twin pairs discordant for PA and dementia. Concerning brain imaging studies, among PA discordant young adult twin pairs, the more active co-twins showed larger gray matter volumes in striatal, prefrontal, and hippocampal regions and in electrophysiological studies automatic deviance-detection processes differed in brain regions involved with sensorimotor, visual and memory functions. ...
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- Liikuntatieteiden tiedekunta 
Related funder(s)Ministry of Education and Culture
Additional information about fundingP. I-M. has been supported by Juho Vainio Foundation, Institute for Molecular Medicine Finland, University of Helsinki and HUS Medical Imaging Center. JK has been supported by the Academy of Finland (grants 308248 & 312073). PH has been supported by the Jenny and Antti Wihuri Foundation, Helsinki, Finland (grants 00170073, 00180080). UK has been supported by the Finnish Ministry of Education and Culture, Helsinki, Finland. ...
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