Visuomotor tracking strategies in children: associations with neurodevelopmental symptoms

Author:

Thorsson MaxORCID,Galazka Martyna A.ORCID,Johnson Mats,Åsberg Johnels JakobORCID,Hadjikhani NouchineORCID

Abstract

AbstractChildren with neurodevelopmental disorders (NDDs) often display motor problems that may impact their daily lives. Studying specific motor characteristics related to spatiotemporal control may inform us about the mechanisms underlying their challenges. Fifty-eight children with varying neurodevelopmental symptoms load (median age: 5.6 years, range: 2.7–12.5 years) performed an interactive tablet-based tracking task. By investigating digit touch errors relative to the target’s movement direction, we found that a load of neurodevelopmental symptoms was associated with reduced performance in the tracking of abrupt alternating directions (zigzag) and overshooting the target. In contrast, reduced performance in children without neurodevelopmental symptoms was associated with lagging behind the target. Neurodevelopmental symptom load was also associated with reduced flexibility in correcting for lateral deviations in smooth tracking (spiral). Our findings suggest that neurodevelopmental symptoms are associated with difficulties in motor regulation related to inhibitory control and reduced flexibility, impacting motor control in NDDs.

Funder

Vetenskapsrådet

ALF Västra Götaland

Swedish Child Neuropsychiatry Science Foundation

University of Gothenburg

Publisher

Springer Science and Business Media LLC

Subject

General Neuroscience

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