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Localizing and lateralizing value of behavioral change in childhood partial seizures

András Fogarasi1, József Janszky, Ingrid Tuxhorn

  • 1Epilepsie-Zentrum Bethel, Bielefeld, Germany.

Epilepsia
|January 24, 2007
PubMed

Insights

Behavioral changes (BC) in childhood epilepsy seizures can help pinpoint seizure origin. Arrest-type BCs lateralize to the right hemisphere, while affective-type BCs localize to the temporal lobe.

Area of Science:

  • Pediatric Neurology
  • Epileptology
  • Clinical Neuroscience

Background:

  • Childhood partial epilepsy presents diagnostic challenges.
  • Understanding seizure onset characteristics is crucial for effective treatment.
  • Behavioral changes (BC) are potential indicators of seizure localization.

Purpose of the Study:

  • To characterize clinical features of behavioral changes (BC) in children with partial epilepsy.
  • To determine the localizing and lateralizing value of BC at seizure onset.
  • To assess the utility of BC in presurgical evaluation for pediatric epilepsy.

Main Methods:

  • Analysis of 541 videotaped seizures from 109 children (< or = 12 years) with partial epilepsy.
  • Independent evaluation of behavioral changes (BC) as the first seizure manifestation.
  • Correlation of BC types (arrestive, affective) with seizure onset zone (lateralization) and epilepsy type (localization).

Main Results:

  • 30% of patients exhibited BC during seizures.
  • Arrest-type BCs were significantly associated with right-hemisphere seizure onset (p < 0.001).
  • Affective-type BCs were strongly linked to temporal lobe epilepsy (p = 0.001).

Conclusions:

  • Arrest-type BCs lateralize to the right hemisphere in childhood partial seizures.
  • Affective-type BCs localize to the temporal lobe in pediatric partial epilepsy.
  • BC patterns provide valuable information for presurgical diagnosis in young epilepsy patients.
Abstract

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