ArticleFrontiers in human neuroscience2026
Effects of age in a cognitive-motor dual task: parametric manipulations of cognitive load and motor difficulty.
Article in Frontiers in human neuroscience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Everyday mobility requires the continuous allocation of limited executive resources between cognitive and motor control. Prioritization theory predicts that biomechanical stability is prioritized as load increases to reduce fall risk. Although dual-task walking has been widely studied, most investigations examine the kinematic effects of a single cognitive task on a single walking condition, providing limited insight into how cognitive-motor interactions evolve as task demands progressively increase. Here we examined how increasing cognitive load and motor difficulty jointly influence gait adaptation in healthy younger and older adults. Methods: Younger ( Results: Increased cognitive load produced declines in Discussion: These findings support capacity-sharing and posture-first accounts of cognitive-motor interaction. In addition to age-related baseline differences, executive function explains additional variance in adaptive gait responses under increasing task demands.
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