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Language evolution in children with cochlear implants.

C Ouellet1, M T Le Normand, H Cohen

  • 1Cognitive Neuroscience Centre, Université du Québec à Montréal, Canada.

Brain and Cognition
|August 31, 2001
PubMed
Summary
This summary is machine-generated.

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Young deaf children show gradual language development after cochlear implantation (CI), improving vocabulary and sentence structure over time. However, progress varies between children and remains below hearing peers.

Area of Science:

  • Pediatric audiology
  • Developmental linguistics
  • Speech-language pathology

Background:

  • Cochlear implantation (CI) provides artificial auditory input to deaf children.
  • Language acquisition in deaf children with CI is a complex, long-term process.
  • Understanding the developmental trajectory of language production post-CI is crucial.

Purpose of the Study:

  • To document the nature and time course of language production in deaf children post-CI.
  • To assess the development of morphosyntactic and lexical skills.
  • To investigate intersubject variability in language development.

Main Methods:

  • Longitudinal follow-up study of five deaf French children over 18 months.
  • Individual assessments at 6-month intervals.

Related Experiment Videos

  • Computerized analysis of spontaneous speech during standardized play sessions.

    • Main Results:

    • Most children demonstrated gradual improvements in mean utterance length and vocabulary.
    • Language production, while improving, remained below norms for normally hearing children.
    • Significant intersubject variability in the pace of language development was observed.

    Conclusions:

    • Cochlear implantation facilitates language development in deaf children.
    • Language gains are evident within a year, but the rate of progress varies.
    • Longitudinal studies are essential for understanding individual differences in CI outcomes.