What question did this study set out to answer?

This research aims to explore how increased movement variability affects motor adaptation in older adults compared to younger adults.

Aging and motor adaptation: Increased movement variability, slowing rates of adaptation, and smaller aftereffects.

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Older adults show slower motor adaptation and increased movement variability, indicating challenges in performance.

This research aims to explore how increased movement variability affects motor adaptation in older adults compared to younger adults.
Examined healthy older adults (N=48) and younger adults (N=60) in a visuomotor adaptation task.
Measured baseline movement variability and adaptation performance.
Manipulated perturbation magnitude and sensory feedback to assess cognitive strategy application.
Older adults exhibited significantly higher movement variability than younger adults.
Greater movement variability correlated with slower rates of adaptation and smaller aftereffects.
Manipulations of task conditions did not change the adaptation performance relationship with age.

Swainson et al. (2026) studied this question.

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