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Elementary visuospatial perception deficit in children with neurodevelopmental disorders.

Laure Pisella1, Audrey Vialatte1, Marie Martel2

  • 1Centre de Recherche en Neurosciences de Lyon (CRNL), University de Lyon, Bron, France.

Developmental Medicine and Child Neurology
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Children with developmental coordination disorder (DCD) and specific learning disorder (SLD) often show deficits in elementary visuospatial perception (EVSP). Assessing EVSP is crucial for diagnosing neurodevelopmental disorders in children.

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Ophthalmology

Background:

  • Elementary visuospatial perception (EVSP) is crucial for cognitive development.
  • Neurodevelopmental disorders (NDDs) such as DCD, SLD, ADHD, and oral language disorder can impact various cognitive functions.
  • Understanding EVSP deficits in children with NDDs is essential for targeted interventions.

Purpose of the Study:

  • To determine the prevalence of elementary visuospatial perception (EVSP) deficits in children diagnosed with neurodevelopmental disorders.
  • To compare EVSP abilities in children with DCD, SLD, ADHD, and/or oral language disorder against typically developing children.
  • To investigate the impact of co-occurring disorders and binocular vision dysfunction on EVSP.

Main Methods:

  • A validated screening test for dorsal EVSP ability was administered.
  • 168 children with NDDs (DCD, SLD, ADHD, oral language disorder) were assessed.
  • Comparison groups included 184 typically developing children and 14 children with binocular vision dysfunction.

Main Results:

  • Children with SLD (59%) and DCD (59%) frequently scored below the typical range for EVSP.
  • 22% of children with DCD were severely impaired (outliers) in EVSP, with higher rates in those with co-occurring disorders.
  • Children with language disorder and binocular vision dysfunction showed EVSP scores similar to typically developing children.

Conclusions:

  • EVSP deficits are common in children with DCD and SLD, highlighting the need for routine assessment.
  • EVSP testing is a valuable component of the clinical evaluation for children with NDDs.
  • The findings underscore the importance of considering visuospatial skills in the comprehensive assessment of neurodevelopmental conditions.