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Intellectual functioning in children with epilepsy: frontal lobe epilepsy, childhood absence epilepsy and benign

Ana Filipa Lopes1, Mário Rodrigues Simões, José Paulo Monteiro

  • 1Faculty of Psychology, University of Coimbra, Coimbra, Portugal; Neuropaediatric Unit - Garcia de Orta Hospital, Almada, Portugal.

Seizure
|September 3, 2013
PubMed

Insights

Children with frontal lobe epilepsy (FLE) show lower intellectual functioning compared to controls. Epilepsy duration, not onset age or frequency, impacts cognitive scores, necessitating monitoring for early intervention.

Area of Science:

  • Neuroscience
  • Pediatrics
  • Developmental Psychology

Background:

  • Epilepsy is a common neurological disorder in children.
  • Intellectual functioning can be affected by epilepsy and its related variables.
  • Understanding cognitive profiles in different epilepsy syndromes is crucial for targeted support.

Purpose of the Study:

  • To describe intellectual functioning in childhood epilepsy syndromes: frontal lobe epilepsy (FLE), childhood absence epilepsy (CAE), and benign epilepsy with centro-temporal spikes (BECTS).
  • To determine the influence of epilepsy-related variables (type, age at onset, duration, frequency, treatment) on cognitive outcomes.

Main Methods:

  • Compared intellectual functioning in 90 children with epilepsy (30 each of FLE, CAE, BECTS) aged 6-15 years with 30 controls.
  • Utilized the Wechsler Intelligence Scale for Children - Third Edition (WISC-III).
  • Examined the impact of epilepsy type, age at onset, duration, seizure frequency, and antiepileptic drugs on cognitive scores.

Main Results:

  • Children with FLE demonstrated significantly lower Verbal IQ, Full Scale IQ, and Processing Speed Index compared to controls.
  • A trend indicated lower intelligence scores in FLE compared to CAE and BECTS groups.
  • Epilepsy type and duration were significant predictors of intellectual functioning; age at onset, seizure frequency, and treatment showed no significant effect.

Conclusions:

  • Children with FLE require close monitoring for cognitive deficits.
  • Longer duration of active epilepsy is associated with poorer intellectual functioning.
  • Early identification and intervention are vital for school success in children with epilepsy.
Abstract

Keywords:
Benign epilepsy with centro-temporal spikesChildhood absence epilepsyChildrenDuration of epilepsyFrontal lobe epilepsyIntelligence quotientProcessing speedWISC-III

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