Joint Trajectories of Objective Physical Function and Cognition and Risk of Incident Dementia: A Population-Based Cohort Study - Takeaways - MDSpire

Joint Trajectories of Objective Physical Function and Cognition and Risk of Incident Dementia: A Population-Based Cohort Study

  • By

  • Wang, Shiyi

  • Wang, Xiaoke

  • Zhou, Jun

  • Zhou, Lin

  • April 30, 2026

  • 0 min

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  • 1

    The study analyzed 8-year data from 6,175 older adults to explore the relationship between physical and cognitive decline.

  • 2

    Four phenotypes of aging were identified, with 'Dual Rapid Decliners' showing a nearly five-fold increased risk of incident dementia.

  • 3

    Physical decline was found to significantly predict subsequent cognitive decline, while cognitive decline had a weak predictive effect on physical decline.

  • 4

    Life space constriction mediated the relationship between physical and cognitive decline, accounting for 16.8% of the effect.

  • 5

    The findings emphasize the importance of maintaining physical mobility and addressing sensory impairments to protect cognitive health.

Original Source(s)

Joint Trajectories of Objective Physical Function and Cognition and Risk of Incident Dementia: A Population-Based Cohort Study

  • by Wang, Shiyi , Wang, Xiaoke , Zhou, Jun , Zhou, Lin

  • April 30, 2026

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