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Language development in children with simple-partial left-hemisphere epilepsy
1Laboratoire de neuropsychologie de l'enfant, Hôpital de la Salpêtrière cohen.henri@uqam.ca
Brain and Language
|September 23, 1998
Summary
Children with left frontal epilepsy showed better language comprehension than production. This suggests early left hemisphere involvement in language production, impacting development.
Area of Science:
- Neuroscience
- Developmental Psychology
- Linguistics
Background:
- Epilepsy, specifically simple-partial seizures (SPE) with left frontal (LF) foci, can impact cognitive development.
- Understanding the cerebral basis of language acquisition is crucial for identifying developmental trajectories.
Purpose of the Study:
- To investigate the nature of cerebral involvement in language acquisition in children with early-onset SPE-LF.
- To analyze the dissociation between language comprehension and production in these children.
Main Methods:
- Longitudinal study of six children with SPE-LF from ages 3 to 8 years.
- Yearly linguistic evaluations of comprehension and production, compared to control groups.
- Analysis of transcribed language using the Child Language Data Exchange System.
Main Results:
- Children with SPE-LF demonstrated a significant dissociation between language comprehension and production.
- Linguistic comprehension improved to normal levels by age 7.
- Linguistic production remained significantly impaired throughout the study period.
Conclusions:
- The findings suggest a complex interplay between brain maturation and dysfunction in language development.
- Persistent deficits in linguistic production indicate early involvement of anterior left cerebral areas in language production.
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