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Updated: May 25, 2026

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion
08:19

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Published on: January 15, 2016

Gait control: a specific subdomain of executive function?

Olivier Beauchet1, Cédric Annweiler, Manuel Montero-Odasso

  • 1UPRES EA 2646, University of Angers, UNAM, France. olbeauchet@chu-angers.fr

Journal of Neuroengineering and Rehabilitation
|February 11, 2012
PubMed
Summary
This summary is machine-generated.

Executive function, specifically information updating and monitoring, is linked to stride time variability in older adults. Poorer performance in these cognitive areas correlates with less stable walking patterns.

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Area of Science:

  • Gerontology
  • Neuroscience
  • Biomedical Engineering

Background:

  • Limited research exists on the connection between gait variability and executive subdomains (ESD).
  • Executive functions are crucial for complex motor tasks like walking.
  • Understanding this link is vital for maintaining mobility in older adults.

Purpose of the Study:

  • To investigate the association between executive subdomains (information updating and monitoring) and stride time variability (STV).
  • To explore how specific executive functions relate to gait stability in healthy older adults.

Main Methods:

  • Seventy-eight healthy older adults were categorized into three groups based on their stride time variability (STV) during steady-state walking.
  • STV was measured using the coefficient of variation of stride time.
  • Executive functions were assessed using the Digit Span test (information updating and monitoring), Trail Making Test (mental shifting), and Stroop Color Word test (cognitive inhibition).

Main Results:

  • The highest tertile of STV, indicating the worst gait variability, was significantly associated with lower scores on the Digit Span test.
  • Logistic regression models confirmed this association, with odds ratios of 0.78 and 0.81 (P=0.020 and P=0.019, respectively).
  • No significant association was found between STV and measures of mental shifting or cognitive inhibition.

Conclusions:

  • Information updating and monitoring, a specific subdomain of executive functions, are associated with stride time variability in healthy older adults.
  • This suggests that gait stability during walking relies on specific executive functions.
  • Walking is a complex motor task that is particularly dependent on information updating and monitoring capabilities.