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Concurrent effects of working memory components on postural sway during quiet standing in brain stroke survivors

Year: 2025

Type: article

Abstract: This study aimed to investigate the effects of working memory dual tasks on postural sway in chronic stroke patients. Twenty chronic stroke survivors were recruited from rehabilitation clinics in Mashhad. Centre of pressure (COP) was measured on a force plate in the baseline standing condition, the standing condition while the phonological loop component of working memory was activated, and in the standing condition while the visuospatial sketchpad component of working memory was activated. Repeated measures analysis of variance was used to analyze the data. The results indicated the effects of interference on postural sway exhibited in mean velocity in the mediolateral direction (P=0.01). Notably, the visuospatial task caused greater disruption to postural control compared to the phonological loop task (P=0.019 vs. 0.006, P=0.03). The mediolateral speed of changes in COP reduced significantly with the phonological loop working memory task in comparison to the without memory task. The visuospatial working memory dual task interfered more with the postural control of stroke people.

Source: Journal of Shahrekord University of Medical Sciences

DOI: 10.34172/jsums.928

Authors: Zahra Salmani, Fatemeh Alirezaei Noghondar, Hamid reza Taheri Torbati, Payam Sasannejad

Institutions: Ferdowsi University of Mashhad, Mashhad University of Medical Sciences

Language: English

Topic: Balance, Gait, and Falls Prevention

Subfield: Physical Therapy, Sports Therapy and Rehabilitation

Field: Health Professions

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: diamond

OpenAlex ID: W4414211399

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