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Sleep EEG and developmental dysphasia

A Picard1, F Cheliout Heraut, M Bouskraoui

  • 1Service de Neurologie et de Rééducation Infantile, Hôpital Raymond Poincaré, Garches, France.

Developmental Medicine and Child Neurology
|October 10, 1998
PubMed
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Children with developmental dysphasia often show EEG paroxysmal activity (PA) during sleep, suggesting a link between brain abnormalities and language impairment. High PA occurrence may warrant antiepileptic drug treatment.

Area of Science:

  • Neuroscience
  • Developmental Pediatrics
  • Clinical Electrophysiology

Background:

  • Developmental dysphasia is a complex language disorder.
  • The relationship between sleep EEG anomalies and dysphasia requires further investigation.
  • Paroxysmal activity (PA) during sleep is a potential indicator of neurological dysfunction.

Purpose of the Study:

  • To investigate the association between developmental dysphasia and electroencephalogram (EEG) anomalies during sleep.
  • To compare sleep EEG findings in children with and without dysphasia.

Main Methods:

  • Utilized ambulatory EEG monitoring in 52 children with dysphasia and 20 controls.
  • Analyzed sleep EEG data for the presence of paroxysmal activity (PA).

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Main Results:

  • 50% of children with dysphasia exhibited paroxysmal activity (PA) during sleep.
  • Only two children in the control group showed PA.
  • PA was more prevalent in receptive developmental dysphasia.

Conclusions:

  • A significant correlation exists between developmental dysphasia and sleep EEG paroxysmal abnormalities.
  • These abnormalities may stem from underlying issues like architectural dysplasia and neuron-migration disturbances.
  • Consider antiepileptic drug treatment if PA exceeds 8% of total sleep time in dysphasia patients.