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Variation in speech perception scores among children with cochlear implants.

J Z Sarant1, P J Blamey, R C Dowell

  • 1Bionic Ear Institute, Melbourne, Victoria, Australia.

Ear and Hearing
|March 29, 2001
PubMed
Summary
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Factors like pre-implantation deafness duration and communication mode significantly impact speech perception scores in children with cochlear implants. These findings highlight the importance of audiological and environmental influences on auditory rehabilitation outcomes.

Area of Science:

  • Pediatric audiology
  • Cochlear implant research
  • Speech perception development

Background:

  • Speech perception is crucial for language development in children with hearing loss.
  • Cochlear implants (CIs) offer a viable auditory rehabilitation option.
  • Understanding factors influencing CI outcomes is essential for optimizing patient care.

Purpose of the Study:

  • To identify key factors influencing speech perception scores in children using cochlear implants.
  • To analyze the impact of audiological and environmental variables on auditory performance.

Main Methods:

  • Collected speech perception data (phoneme, word, sentence) from 167 children with Nucleus 22-electrode CIs.
  • Assessed 12 potential influencing factors, including duration of deafness and communication mode.

Related Experiment Videos

  • Utilized analysis of covariance and Pearson correlation to identify significant factors.

    • Main Results:

    • Identified factors explaining 51% (phoneme), 34% (word), and 45% (sentence) of score variance.
    • Speech perception scores declined with longer duration of profound deafness before implantation.
    • Children using oral communication and those implanted in Sydney demonstrated higher scores.

    Conclusions:

    • Audiological and environmental factors significantly explain variations in speech perception scores.
    • Further research is needed to understand clinic-specific and communication mode differences.