Visuomotor behaviors in computer-based reaching tasks by young and older adults: implication for geriatric rehabilitation

Mengjiao Fan (Corresponding Author), Wai Lung Wong

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

Older adults are more likely to be required to face the problems of deteriorating movement control due to ageing and poor visuomotor adaptation is believed to be one of the important contributors to the problems. Therefore, we assessed motor performance together with gaze behaviors in young and older adults when they
were performing computer-based reaching tasks aiming to examine the potential impact of ageing on visuomotor behaviors and adaptation. In this study, visuomotor behaviors in computer-based reaching tasks were quantitatively evaluated under providing online visual feedback or blocking online visual feedback (simulated
visual deficiency) conditions. Results revealed that ageing affects motor performance of the reaching tasks significantly in both visual feedback conditions. Older adults performed distinctive gaze behaviors when compared with the young adults. It implies that simulated visual deficiency in the blocking online visual feedback
condition may work as a stimulus to cause extra perceptive load during movement execution and, more importantly, ageing induces slower visuomotor adaptation. Therefore, visual deterioration may slow down the process of visuomotor adaptation. Consequently, the results of present study provide us with new insights in how to further improve the Geriatric rehabilitative training methods for older adults in the context of augmenting visuomotor behaviors, for example, by utilizing a well-designed errorless training methodology to enhance movement automaticity and visuomotor adaption during motor rehabilitation in Geriatric population.
Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalAlzheimer’s, Dementia & Cognitive Neurology
Volume1
Issue number2
DOIs
Publication statusPublished - 26 Jun 2017
Externally publishedYes

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