Basic visual perceptual processes in children with typical development and cerebral palsy: The processing of surface,
Emilie Schmetz1,2, David Magis1, Jean-Jacques Detraux3
1a Research Unit on Childhood, Faculty of Psychology , Speech Therapy and Education - University of Liège , Liège , Belgique.
Summary
This study examined visual perceptual (VP) development in children and adults. Children with cerebral palsy (CP) showed significant, lasting deficits in basic VP skills compared to typically developing peers.
Area of Science:
- Developmental Psychology
- Neuroscience
- Ophthalmology
Background:
- Visual perception is crucial for development and daily functioning.
- Understanding visual perceptual (VP) development in children is essential.
- Cerebral palsy (CP) can impact various developmental domains, including visual processing.
Purpose of the Study:
- To assess the developmental trajectories of basic visual perceptual components (length, surface, orientation, position) in typically developing (TD) children and adults.
- To compare VP processing in children with CP to age- and ability-matched TD children.
Main Methods:
- Utilized the first four subtests of the Battery for the Evaluation of Visual Perceptual and Spatial processing.
- Assessed typically developing children (n=215, 4-14 years) and adults (n=20, 20-25 years).
- Included children with cerebral palsy (n=86, 5-14 years).
Main Results:
- Distinct developmental trajectories were observed for basic VP components in TD individuals.
- Children with CP exhibited global and persistent deficits in processing basic VP components.
- Deficits in CP group remained significant when compared to TD children matched for age and nonverbal reasoning.
Conclusions:
- Basic visual perceptual skills follow unique developmental paths in typical development.
- Children with cerebral palsy experience widespread and enduring challenges in fundamental visual perceptual abilities.
- These findings highlight the significant impact of CP on visual perceptual development.
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