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[Higher cortical dysfunctions in preterm diplegia: how to evaluate and treat for their pedagogical difficulties]
1Division of Child Neurology, Tottori University Faculty of Medicine.
Insights
Children with spastic diplegia (SD) often face learning challenges due to visual perceptual deficits and constructional dyspraxia. These issues, linked to reduced brainwave coherence, may require specific educational and visual support strategies.
Area of Science:
- Neuroscience
- Ophthalmology
- Developmental Pediatrics
Context:
- Spastic diplegia (SD) in children often presents with significant pedagogical difficulties.
- Neuropsychological assessments reveal visual perceptual impairments and constructional dyspraxia in these children.
- These challenges impact educational attainment and daily functioning.
Purpose:
- To investigate the relationship between visual perceptual impairments, constructional dyspraxia, and neurophysiological findings in children with spastic diplegia.
- To explore the underlying neural mechanisms, specifically EEG coherence, associated with these deficits.
- To identify potential interventions for improving outcomes in affected children.
Summary:
- Multiple regression analysis confirmed that constructional dyspraxia in children with SD is independent of visual acuity, stereoacuity, depth perception, and general visual perception.
- EEG coherence analysis revealed reduced interhemispheric coherence in the alpha band frequency within occipital derivations in SD patients.
- This reduced coherence may correlate with observed thinning of the posterior body and splenium of the corpus callosum.
Impact:
- Findings suggest a neuroanatomical basis for the observed cognitive and visual-perceptual deficits in spastic diplegia.
- Recommendations include ophthalmological treatments, adapted educational materials (e.g., books with increased line spacing), and 3D models for spatial understanding.
- Early identification and targeted interventions can potentially mitigate long-term pedagogical and developmental challenges.
Abstract:
Preterm diplegic children (SD) frequently suffer pedagogical difficulties. They showed visual perceptual impairments and also constructional dyspraxia, neuropsychologically. Multiple regression analysis proved that the constructional dyspraxia was independent from the impairments of visual acuity, stereoacuity, depth perception and visual perception. EEG coherence analysis in SD patients disclosed lower interhemispheric coherence at alpha band frequency in occipital derivations. The lower coherence value may correspond to thinning of posterior body and splenium of corpus callosum in SD patients. A adequate ophthalmological treatments, books with enough space between the lines and three dimensional models to facilitate the image of stereography are recommended.