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Updated: Jun 2, 2026

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Motor Dual-Tasks for Gait Analysis and Evaluation in Post-Stroke Patients
Published on: March 11, 2021
Vestibular disorders and dual task performance: impairment when walking a straight path.
Jess C Roberts1, Helen S Cohen, Haleh Sangi-Haghpeykar
1Bobby R. Alford Department of Otolaryngology-Head and Neck Surgery, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA. jcrobert@bcm.edu
Summary
Patients with vestibular disorders struggle with dual-tasking, showing impaired locomotion and increased veering when performing cognitive tasks alongside walking. This highlights challenges in daily activities requiring simultaneous motor and cognitive functions.
Area of Science:
- Neuroscience
- Human Movement Science
Background:
- Vestibular disorders frequently cause locomotion and cognitive impairments.
- Dual-tasking, combining motor and cognitive activities, is essential for daily functioning.
Purpose of the Study:
- To investigate the dual-task performance in individuals with vestibular disorders.
- To assess the impact of cognitive tasks on linear path walking in patients with vestibular dysfunction.
Main Methods:
- Participants with normal balance, benign paroxysmal positional vertigo, or unilateral vestibular weakness walked a linear path under various conditions.
- Conditions included eyes open/closed, head nodding, naming items, and combined tasks.
Main Results:
- Patients walked significantly slower than controls, particularly during cognitive tasks.
- Vestibular disorder patients exhibited greater ataxia and veering, which worsened with added cognitive load.
- Patient groups did not significantly differ from each other.
Conclusions:
- Vestibular disorders significantly impair dual-task walking performance.
- Cognitive demands exacerbate balance and locomotion deficits in individuals with vestibular dysfunction.
- These findings underscore the challenges faced by patients in activities requiring simultaneous motor and cognitive processing.
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