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Related Experiment Video

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Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy
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Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy

Published on: January 11, 2016

Constrained action selection in children with developmental coordination disorder.

Lewis Pettit1, Jennifer Charles, Andrew D Wilson

  • 1College of Medicine and Life Sciences, University of Aberdeen, Aberdeen, Scotland AB24 2UB, UK.

Human Movement Science
|April 15, 2008
PubMed
Summary
This summary is machine-generated.

Children with developmental coordination disorder (DCD) exhibit longer reaction times and greater inaccuracy in aiming movements. Advance information benefits these children, indicating lower skill levels and potential for diagnostic use of reaction time tests.

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Area of Science:

  • Motor Control
  • Developmental Psychology
  • Clinical Diagnostics

Background:

  • Advance information, or precue, can influence motor performance.
  • Developmental Coordination Disorder (DCD) affects motor skill acquisition.
  • Understanding precue effects in DCD is crucial for diagnostics and interventions.

Purpose of the Study:

  • To investigate the impact of precue information on short aiming movements in children with and without DCD.
  • To compare reaction times and accuracy across different age groups and DCD status.
  • To explore the diagnostic potential of goal-directed reaction times in DCD.

Main Methods:

  • Participants included adults, high school children, and primary school children, with and without DCD.
  • Aiming movements were performed with varying degrees of precue constraint.
  • Reaction times (RT) and response accuracy were measured.

Main Results:

  • Children with DCD demonstrated significantly longer RTs compared to other groups.
  • DCD group's RT was more sensitive to the level of precue constraint.
  • Despite longer RTs, children with DCD showed greater response inaccuracy.

Conclusions:

  • Precue effects in DCD suggest differences in action priming and skill levels.
  • Advance preparation benefits children with DCD in simple aiming tasks, highlighting their motor skill deficits.
  • Goal-directed reaction times may serve as a valuable diagnostic tool for DCD in clinical settings.