Children with epilepsy often experience deficits in both executive functioning (EF) and memory. However, how these two domains interact and relate to specific epilepsy types remains unclear. This study compared two groups of children: those with localization-related epilepsy (LRE) and those with genetic generalized epilepsy (GGE). We aimed to understand how performance-based and parent-reported EF differentially contribute to understanding memory function in each group.We examined neuropsychological measures assessing memory and EF in 75 children with LRE and 91 with GGE. Multiple linear regressions explored the impact of EF on memory performance.Performance-based EF scores accounted for greater variance in memory scores than parental EF reports. However, performance-based EF measures explained much more variance in visual memory for LRE than GGE and explained much more variance in verbal memory for the GGE group. Parental reports of EF contributed marginally to understanding variance.These findings suggest differential relationships between EF and memory based on epilepsy type. Performance-based EF measures appear more reliable at understanding memory variance than did parent reports. Our results have potential clinical implications for tailoring neuropsychological assessment and intervention for children with different epilepsy types.
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