Relative Cognitive-Motor Interference During Dual-Task Walking: Effects of Sex, Task Type, and Difficulty.

IF 1.3 4区心理学 Q4 NEUROSCIENCES

Journal of Motor Behavior Pub Date : 2026-09-17 DOI:10.1080/00222895.2026.2732051

Yasemin Deniz, Alfa Zamrotin Malaniale Maidi, Emilia Chinonso Madueme, Sun-Joung Leigh An, Yonggeun Hong

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引用次数: 0

Abstract

Sex-related differences in task prioritization during dual-task (DT) walking have been reported in older adults; however, whether similar patterns exist in healthy young adults remains unclear. This study examined the effects of sex, task type, and difficulty on task prioritization in DT walking. Twenty-eight young adults (14 females, 14 males) completed 30-s walking trials under single-task and four DT conditions. Dual-task effects (DTE) were calculated for motor and cognitive performance, and relative cognitive-motor interference was quantified using the Task Prioritization Score (TPS). Positive TPS values were observed across DT conditions, indicating proportionally greater motor than cognitive interference, with no significant sex differences. Motor performance declined significantly across conditions, irrespective of task type or difficulty (p < 0.001). A significant cognitive task type-difficulty × sex interaction was observed for DT cognitive performance (p = 0.038). Participants who completed DT trials first exhibited greater motor DTE, indicating a task-order effect. Exploratory analysis revealed a negative association between serial subtraction-by-3 performance and TPS (r = -0.409, p = 0.031). These findings suggest that relative cognitive-motor interference is independent of sex, although cognitive performance during DT may exhibit task-specific sex differences, and task order is an important methodological consideration in DT research.

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双任务行走中的相对认知-运动干扰：性别、任务类型和难度的影响。

老年人双任务（DT）行走过程中任务优先级的性别相关差异已被报道；然而，在健康的年轻人中是否存在类似的模式尚不清楚。本研究考察了性别、任务类型和难度对DT行走任务优先级的影响。28名年轻人（14名女性，14名男性）在单任务和四种DT条件下完成了30秒的步行试验。计算运动和认知表现的双任务效应（DTE），并使用任务优先级评分（TPS）量化相对认知-运动干扰。在所有DT条件下，TPS值均为阳性，表明运动干扰比认知干扰比例更大，性别差异不显著。无论任务类型或难度如何，运动表现在不同条件下均显著下降（p p = 0.038）。完成DT试验的参与者首先表现出更大的运动DTE，表明任务顺序效应。探索性分析显示，连续减3绩效与TPS呈负相关（r = -0.409, p = 0.031）。这些研究结果表明，相对的认知运动干扰与性别无关，尽管在DT过程中的认知表现可能表现出特定任务的性别差异，任务顺序是DT研究中重要的方法学考虑因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Motor Behavior 医学-神经科学

CiteScore

3.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Motor Behavior, a multidisciplinary journal of movement neuroscience, publishes articles that contribute to a basic understanding of motor control. Articles from different disciplinary perspectives and levels of analysis are encouraged, including neurophysiological, biomechanical, electrophysiological, psychological, mathematical and physical, and clinical approaches. Applied studies are acceptable only to the extent that they provide a significant contribution to a basic issue in motor control. Of special interest to the journal are those articles that attempt to bridge insights from different disciplinary perspectives to infer processes underlying motor control. Those approaches may embrace postural, locomotive, and manipulative aspects of motor functions, as well as coordination of speech articulators and eye movements. Articles dealing with analytical techniques and mathematical modeling are welcome.