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The timing of pediatric epilepsy syndromes: what are the developmental triggers?

Juliann M Paolicchi1

  • 1Weill Cornell Medical Center, New York, New York.

Annals of the New York Academy of Sciences
|November 28, 2013
PubMed

Insights

Pediatric epilepsy involves syndromes with developmental triggers and spontaneous remission. Neurocognitive disabilities are linked to specific epileptic syndromes, with identified pathways involving neurotransmitter systems and genetic factors.

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Genetics

Background:

  • Pediatric epilepsy encompasses diverse syndromes with unique developmental triggers.
  • These syndromes often present with spontaneous onset during critical developmental periods and can remit spontaneously.
  • Associated neurocognitive disabilities are frequently syndrome-specific.

Purpose of the Study:

  • To elucidate the developmental triggers and underlying neurological pathways of various pediatric epilepsy syndromes.
  • To explore the genetic and neurobiological underpinnings of infantile spasms, childhood absence epilepsy (CAE), and benign centrotemporal epilepsy syndrome (BECTS).

Main Methods:

  • Utilized Positron Emission Tomography (PET) scans to identify neurologic pathways in infantile spasms.
  • Reviewed literature on genetic epilepsy syndromes, focusing on molecular disturbances in CAE and BECTS.

Main Results:

  • PET scans revealed developmental abnormalities in brainstem and basal ganglia serotonergic and GABAergic systems in infantile spasms.
  • CAE is associated with calcium channel disturbances affecting thalamocortical synchrony.
  • BECTS involves a complex interplay of brain development, maturation, and susceptibility genes.

Conclusions:

  • Pediatric epilepsy syndromes have distinct developmental origins and associated neurocognitive profiles.
  • Understanding these specific pathways is crucial for targeted interventions and managing neurocognitive deficits in childhood epilepsy.

Keywords:
absence epilepsydevelopmental triggerinfantile spasmsneurocognitive disorderneurotransmitterpediatric epilepsy

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