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Neurocognitive deficits in cognitive flexibility and visual-motor search among children with different epilepsy
Shabnam Shirdel1, Shiva Shirdel1, Mohammad Shadbafi1
1Department of Psychology, Faculty of Education and Psychology, University of Tabriz, Tabriz, Iran.
Insights
Children with Frontal Lobe Epilepsy (FLE) show the most significant deficits in cognitive flexibility and visual-motor search, followed by Temporal Lobe Epilepsy (TLE) patients compared to controls. These findings highlight the need for tailored interventions for pediatric epilepsy subtypes.
Area of Science:
- Neuroscience
- Pediatric Neurology
- Cognitive Psychology
Background:
- Epilepsy in children can lead to neurocognitive deficits.
- Cognitive Flexibility (CF) and Visual-Motor Search (VMS) are crucial executive functions.
- Understanding subtype-specific deficits is essential for targeted interventions.
Purpose of the Study:
- To examine neurocognitive deficits in CF and VMS in children with Frontal Lobe Epilepsy (FLE) and Temporal Lobe Epilepsy (TLE).
- To compare these deficits against Non-Epileptic (NE) controls.
- To inform the development of subtype-specific interventions for pediatric epilepsy.
Main Methods:
- Assessed 90 children (ages 7-12) with FLE, TLE, and NE controls.
- Utilized Wisconsin Card Sorting Test (WCST) for CF and Trail Making Tests (TMT-A/B) for VMS.
- Employed MANOVA with Bonferroni post-hoc analysis to compare group differences.
Main Results:
- Significant group differences in CF and VMS were observed (p < .001, ηp² = .68).
- A hierarchy of impairment was found: FLE > TLE > NE controls.
- All sub-measures of TMT and WCST showed significant differences between groups.
Conclusions:
- Pediatric epilepsy presents hierarchical impairments in cognitive flexibility and visual-motor search.
- Findings suggest links to frontal-parietal and hippocampal-temporal dysfunction.
- Tailored interventions, like metacognitive training for FLE and contextual cueing for TLE, are recommended.
Objective:
This study examined neurocognitive deficits in Cognitive Flexibility (CF) and Visual-Motor Search (VMS) among children with Frontal Lobe Epilepsy (FLE), Temporal Lobe Epilepsy (TLE), and Non-Epileptic (NE) controls to inform subtype-specific interventions.
Methods:
We assessed 90 children (30 FLE, 30 TLE, 30 NE; ages 7-12), matched on key demographics, using the Wisconsin Card Sorting Test (WCST) to assess CF and Trail Making Tests (TMT-A/B) to evaluate VMS. Group differences were analyzed using MANOVA with Bonferroni post-hoc comparisons.
Results:
MANOVA revealed significant group differences with a large effect size (F (12, 164) = 28.43, p < .001, ηp2 = .68). Post-hoc tests confirmed a hierarchy of impairment: children with FLE performed worse than those with TLE on both CF and VMS measures, and the TLE group scored lower than NE controls on all tasks. Significant differences were found on all TMT and WCST sub-measures.
Discussion:
The findings indicate hierarchical CF and VMS impairments in pediatric epilepsy, likely linked to frontal-parietal and hippocampal-temporal dysfunction. This suggests a need for tailored interventions, such as metacognitive training for FLE and contextual cueing for TLE. Future research should use neuroimaging and more diverse populations.
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