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Early language development and severe visual impairment.

H McConachie1

  • 1Department of Neurology and Developmental Paediatrics, Wolfson Centre, Mecklenburgh Square, London.

Child: Care, Health and Development
|January 1, 1990
PubMed
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Some blind children exhibit advanced expressive language skills, while others experience speech delays. Early visual development impacts language acquisition in visually impaired children, necessitating further research for parental guidance.

Area of Science:

  • Developmental Psychology
  • Pediatric Ophthalmology
  • Speech-Language Pathology

Background:

  • Some blind children demonstrate early expressive language skills exceeding their comprehension.
  • Visually-directed reaching in severely visually impaired children does not correlate with early expressive language.
  • Developmental patterns in blind children's language acquisition vary significantly.

Purpose of the Study:

  • To investigate the relationship between visual impairment and expressive language development in children.
  • To confirm observed patterns in language development among blind children.
  • To identify factors influencing speech and comprehension in visually impaired youth.

Main Methods:

  • Analysis of developmental assessments from 40 blind and severely visually impaired children.

Related Experiment Videos

  • Observation of language skills, including expressive language and comprehension.
  • Longitudinal assessment of language development outcomes.

    • Main Results:

    • Confirmed that some blind children show early expressive language abilities.
    • Identified a subset of blind children with significant expressive speech delays (e.g., first words at 2 years).
    • Observed varied developmental outcomes in later assessments of this cohort.

    Conclusions:

    • Visual impairment influences the trajectory of expressive language development.
    • Parental counseling requires a nuanced understanding of individual language acquisition patterns in blind children.
    • Prospective research is crucial for evidence-based guidance on language development in visually impaired children.