Julie Gonneaud, Ilana Moreau, Francesca Felisatti, Eider Arenaza-Urquijo, Valentin Ourry, Edelweiss Touron, Vincent de la Sayette, Denis Vivien, Gaël Chételat
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This study investigates the possible interactions between sex and physical activity on neuroimaging biomarkers.</p><p><strong>Methods: </strong>In 134 cognitively unimpaired older adults (≥65 years, 82 women) from the Age-Well randomized controlled trial (baseline data), we investigated the association between physical activity and multimodal neuroimaging (gray matter volume, glucose metabolism, perfusion, and amyloid burden), and how sex modulates these associations.</p><p><strong>Results: </strong>The anterior cingulate cortex volume was independently associated with sex and physical activity. Sex and physical activity interacted on perfusion and amyloid deposition in medial parietal regions, such that physical activity was related to perfusion only in women, and to amyloid burden only in men.</p><p><strong>Discussion: </strong>Physical activity has both sex-dependent and sex-independent associations with brain integrity. Our findings highlight partly distinct reserve mechanisms in men and women, which might in turn influence their risk of AD.</p><p><strong>Highlights: </strong>Sex and physical activity have been linked to Alzheimer's disease (AD) progression.The association of sex and physical activity with brain health is partly independent.Different reserve mechanisms exist in men and women.</p>","PeriodicalId":47722,"journal":{"name":"COMMUNICATION EDUCATION","volume":"69 1","pages":"e12302"},"PeriodicalIF":0.9000,"publicationDate":"2022-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8959639/pdf/","citationCount":"0","resultStr":"{\"title\":\"Men and women show partly distinct effects of physical activity on brain integrity.\",\"authors\":\"Julie Gonneaud, Ilana Moreau, Francesca Felisatti, Eider Arenaza-Urquijo, Valentin Ourry, Edelweiss Touron, Vincent de la Sayette, Denis Vivien, Gaël Chételat\",\"doi\":\"10.1002/dad2.12302\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Introduction: </strong>Physical inactivity and female sex are independently associated with increased Alzheimer's disease (AD) lifetime risk. This study investigates the possible interactions between sex and physical activity on neuroimaging biomarkers.</p><p><strong>Methods: </strong>In 134 cognitively unimpaired older adults (≥65 years, 82 women) from the Age-Well randomized controlled trial (baseline data), we investigated the association between physical activity and multimodal neuroimaging (gray matter volume, glucose metabolism, perfusion, and amyloid burden), and how sex modulates these associations.</p><p><strong>Results: </strong>The anterior cingulate cortex volume was independently associated with sex and physical activity. Sex and physical activity interacted on perfusion and amyloid deposition in medial parietal regions, such that physical activity was related to perfusion only in women, and to amyloid burden only in men.</p><p><strong>Discussion: </strong>Physical activity has both sex-dependent and sex-independent associations with brain integrity. Our findings highlight partly distinct reserve mechanisms in men and women, which might in turn influence their risk of AD.</p><p><strong>Highlights: </strong>Sex and physical activity have been linked to Alzheimer's disease (AD) progression.The association of sex and physical activity with brain health is partly independent.Different reserve mechanisms exist in men and women.</p>\",\"PeriodicalId\":47722,\"journal\":{\"name\":\"COMMUNICATION EDUCATION\",\"volume\":\"69 1\",\"pages\":\"e12302\"},\"PeriodicalIF\":0.9000,\"publicationDate\":\"2022-03-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8959639/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"COMMUNICATION EDUCATION\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1002/dad2.12302\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2022/1/1 0:00:00\",\"PubModel\":\"eCollection\",\"JCR\":\"Q3\",\"JCRName\":\"COMMUNICATION\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"COMMUNICATION EDUCATION","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/dad2.12302","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2022/1/1 0:00:00","PubModel":"eCollection","JCR":"Q3","JCRName":"COMMUNICATION","Score":null,"Total":0}
Men and women show partly distinct effects of physical activity on brain integrity.
Introduction: Physical inactivity and female sex are independently associated with increased Alzheimer's disease (AD) lifetime risk. This study investigates the possible interactions between sex and physical activity on neuroimaging biomarkers.
Methods: In 134 cognitively unimpaired older adults (≥65 years, 82 women) from the Age-Well randomized controlled trial (baseline data), we investigated the association between physical activity and multimodal neuroimaging (gray matter volume, glucose metabolism, perfusion, and amyloid burden), and how sex modulates these associations.
Results: The anterior cingulate cortex volume was independently associated with sex and physical activity. Sex and physical activity interacted on perfusion and amyloid deposition in medial parietal regions, such that physical activity was related to perfusion only in women, and to amyloid burden only in men.
Discussion: Physical activity has both sex-dependent and sex-independent associations with brain integrity. Our findings highlight partly distinct reserve mechanisms in men and women, which might in turn influence their risk of AD.
Highlights: Sex and physical activity have been linked to Alzheimer's disease (AD) progression.The association of sex and physical activity with brain health is partly independent.Different reserve mechanisms exist in men and women.
期刊介绍：
Communication Education is a peer-reviewed publication of the National Communication Association. Communication Education publishes original scholarship that advances understanding of the role of communication in the teaching and learning process in diverse spaces, structures, and interactions, within and outside of academia. Communication Education welcomes scholarship from diverse perspectives and methodologies, including quantitative, qualitative, and critical/textual approaches. All submissions must be methodologically rigorous and theoretically grounded and geared toward advancing knowledge production in communication, teaching, and learning. Scholarship in Communication Education addresses the intersections of communication, teaching, and learning related to topics and contexts that include but are not limited to: • student/teacher relationships • student/teacher characteristics • student/teacher identity construction • student learning outcomes • student engagement • diversity, inclusion, and difference • social justice • instructional technology/social media • the basic communication course • service learning • communication across the curriculum • communication instruction in business and the professions • communication instruction in civic arenas In addition to articles, the journal will publish occasional scholarly exchanges on topics related to communication, teaching, and learning, such as: • Analytic review articles: agenda-setting pieces including examinations of key questions about the field • Forum essays: themed pieces for dialogue or debate on current communication, teaching, and learning issues
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