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Aging Brain from a Network Science Perspective: Something to Be Positive About?

Author

Listed:
  • Michelle W Voss
  • Chelsea N Wong
  • Pauline L Baniqued
  • Jonathan H Burdette
  • Kirk I Erickson
  • Ruchika Shaurya Prakash
  • Edward McAuley
  • Paul J Laurienti
  • Arthur F Kramer

Abstract

To better understand age differences in brain function and behavior, the current study applied network science to model functional interactions between brain regions. We observed a shift in network topology whereby for older adults subcortical and cerebellar structures overlapping with the Salience network had more connectivity to the rest of the brain, coupled with fragmentation of large-scale cortical networks such as the Default and Fronto-Parietal networks. Additionally, greater integration of the dorsal medial thalamus and red nucleus in the Salience network was associated with greater satisfaction with life for older adults, which is consistent with theoretical predictions of age-related increases in emotion regulation that are thought to help maintain well-being and life satisfaction in late adulthood. In regard to cognitive abilities, greater ventral medial prefrontal cortex coherence with its topological neighbors in the Default Network was associated with faster processing speed. Results suggest that large-scale organizing properties of the brain differ with normal aging, and this perspective may offer novel insight into understanding age-related differences in cognitive function and well-being.

Suggested Citation

  • Michelle W Voss & Chelsea N Wong & Pauline L Baniqued & Jonathan H Burdette & Kirk I Erickson & Ruchika Shaurya Prakash & Edward McAuley & Paul J Laurienti & Arthur F Kramer, 2013. "Aging Brain from a Network Science Perspective: Something to Be Positive About?," PLOS ONE, Public Library of Science, vol. 8(11), pages 1-14, November.
  • Handle: RePEc:plo:pone00:0078345
    DOI: 10.1371/journal.pone.0078345
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    References listed on IDEAS

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    1. Anonymous, 2013. "Introduction to the Issue," Journal of Wine Economics, Cambridge University Press, vol. 8(2), pages 129-130, November.
    2. Kamel Gana & Nathalie Bailly & Yaël Saada & Michèle Joulain & Daniel Alaphilippe, 2012. "Does Life Satisfaction Change in Old Age: Results From an 8-Year Longitudinal Study," The Journals of Gerontology: Series B, The Gerontological Society of America, vol. 68(4), pages 540-552.
    3. Arthur A. Stone & Joseph E. Schwartz & Joan E. Broderick & Angus Deaton, 2010. "A snapshot of the age distribution of psychological well-being in the United States," Working Papers 1230, Princeton University, Woodrow Wilson School of Public and International Affairs, Center for Health and Wellbeing..
    4. Anonymous, 2013. "Introduction to the Issue," Journal of Wine Economics, Cambridge University Press, vol. 8(3), pages 243-243, December.
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    Cited by:

    1. Michael B Kranz & Michelle W Voss & Gillian E Cooke & Sarah E Banducci & Agnieszka Z Burzynska & Arthur F Kramer, 2018. "The cortical structure of functional networks associated with age-related cognitive abilities in older adults," PLOS ONE, Public Library of Science, vol. 13(9), pages 1-26, September.

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