Association between visual perceptual deficits and motor deficits in children with developmental coordination

Hilde Van Waelvelde1, Willy De Weerdt, Paul De Cock

  • 1Department of Rehabilitation Sciences, Faculty of Kinesiology and Rehabilitation Sciences, Belgium. hilde.vanwaelvelde@arteveldehs.be

Insights

Children with developmental coordination disorder (DCD) show deficits in visual perception and motor skills. Specific visual-perceptual abilities are linked to particular motor tasks, indicating a task-specific relationship.

Area of Science:

  • Child Psychology
  • Neurodevelopmental Disorders
  • Motor Control

Background:

  • Developmental Coordination Disorder (DCD) is a neurodevelopmental condition affecting motor skill acquisition.
  • Children with DCD often exhibit co-occurring deficits in visual-perceptual and visual-motor integration skills.
  • Understanding these relationships is crucial for targeted interventions.

Purpose of the Study:

  • To investigate the relationship between motor-free visual perceptual deficits, visual-motor integration deficits, and motor skills in children with DCD.
  • To determine if specific visual-perceptual deficits are associated with particular motor skill impairments.
  • To explore task-specific associations between visual-perceptual and motor performance.

Main Methods:

  • A cohort of 36 children (aged 9-10) with DCD and 36 age- and sex-matched controls were recruited.
  • Participants completed the Movement Assessment Battery for Children (MABC), a ball-catching test, a jumping test, a timed visual response task, and the Beery-Buktenica Developmental Test of Visual-Motor Integration (including copying, visual discrimination, and tracing).

Main Results:

  • Children with DCD demonstrated significantly poorer performance across all assessed motor and visual-perceptual measures compared to controls.
  • Visual discrimination skills did not show significant correlations with any motor tasks.
  • The visual timing task correlated with ball-catching, and the copying task correlated with MABC scores in the DCD group.

Conclusions:

  • Children with DCD exhibit widespread deficits in visual-perceptual and motor domains.
  • The association between visual-perceptual deficits and motor skills in DCD is not global but rather task-specific.
  • These findings highlight the importance of assessing specific visual-perceptual skills in relation to motor challenges for tailored interventions.