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Related Experiment Video

Updated: May 14, 2026

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
10:13

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Published on: February 14, 2014

The dynamic relationship between physical function and cognition in longitudinal aging cohorts.

Sean A P Clouston, Paul Brewster, Diana Kuh

    Epidemiologic Reviews
    |January 26, 2013
    PubMed
    Summary

    Older adults experience declines in memory and walking speed, potentially linked by a common biological process. Research shows specific physical measures correlate differently with cognitive changes, aiding in identifying diverse aging patterns.

    Keywords:
    agingcognitioncorrelated changelongitudinal analysismeta-analysisphysical functioningsystematic review

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    Area of Science:

    • Gerontology
    • Neuroscience
    • Biomedical Science

    Background:

    • Age-related declines in memory and walking speed are common.
    • A shared biological process is hypothesized to underlie both physical and cognitive aging.
    • Longitudinal data are crucial for investigating this hypothesis.

    Purpose of the Study:

    • To systematically review research on the relationship between physical and cognitive functioning changes in older adults.
    • To evaluate the correlations between rates of change in objective physical measures and cognitive assessments.

    Main Methods:

    • Systematic review of English-language studies published between 2000 and 2011.
    • Inclusion of objective physical functioning measures (walking speed, grip strength, etc.).
    • Inclusion of cognitive measures (mental state, fluid cognition, impairment diagnosis).

    Main Results:

    • The correlation between physical and cognitive decline varied by measurement type.
    • Changes in grip strength showed a stronger association with mental state changes.
    • Changes in walking speed were more strongly correlated with fluid cognition changes.

    Conclusions:

    • Physical and cognitive functioning changes are interrelated in aging, but the relationship is complex and measurement-dependent.
    • Identifying distinct patterns of physical and cognitive decline can help pinpoint individuals aging at different rates.
    • Future research should explore diverse measures and the sequence of age-related declines.