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Related Experiment Video

Updated: Jun 17, 2026

Motor Dual-Tasks for Gait Analysis and Evaluation in Post-Stroke Patients
05:23

Motor Dual-Tasks for Gait Analysis and Evaluation in Post-Stroke Patients

Published on: March 11, 2021

Cognitive load and dual-task performance during locomotion poststroke: a feasibility study using a functional virtual

Rachel Kizony1, Mindy F Levin, Lucinda Hughey

  • 1Department of Occupational Therapy, Faculty of Social Welfare and Health Sciences, University of Haifa, Mount Carmel, Haifa 31905 Israel. rkizony@univ.haifa.ac.il

Physical Therapy
|December 22, 2009
PubMed
Summary
This summary is machine-generated.

Virtual reality enables feasible dual-tasking studies in simulated environments. This research explored gait changes in stroke survivors and healthy older adults during virtual grocery shopping, finding varied coping strategies for cognitive demands.

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Area of Science:

  • Neuroscience
  • Rehabilitation Science
  • Virtual Reality Applications

Background:

  • Dual tasking, performing cognitive and motor tasks simultaneously, can impair gait, particularly in individuals with neurological conditions.
  • Previous research often lacked ecological validity, failing to simulate real-world environments.
  • Virtual reality (VR) offers a promising tool to create realistic settings for studying dual tasking effects.

Purpose of the Study:

  • To assess the feasibility of using a virtual functional environment to examine dual tasking.
  • To investigate the impact of dual tasking on gait parameters in individuals with stroke compared to healthy controls.

Main Methods:

  • A cross-sectional observational study involving 12 community-dwelling older adults with stroke and 10 healthy age-matched controls.
  • Participants walked on a treadmill in a simulated virtual grocery aisle.
  • Dual tasking involved walking while simultaneously selecting grocery items based on instructions.

Main Results:

  • Individuals with stroke exhibited slower walking speeds and greater gait variability than controls.
  • Both groups showed a trend towards increased gait speed and stride length during dual-tasking conditions.
  • The virtual environment proved feasible for task completion with minimal errors.

Conclusions:

  • Virtual functional environments are viable for dual tasking research.
  • Individuals adapt gait strategies (speed, stride) to manage increased cognitive load during dual tasks.
  • Findings highlight the potential of VR for assessing gait and cognitive function in neurological populations.