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Related Experiment Videos

Cochlear implantation in deaf infants.

Richard T Miyamoto1, Derek M Houston, Tonya Bergeson

  • 1Department of Otolaryngology-Head and Neck Surgery, Indiana University School of Medicine, 699 West Drive, Indianapolis, IN 46202, U.S.A.

The Laryngoscope
|August 12, 2005
PubMed
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Early cochlear implantation (CI) in infants with profound hearing loss enables listening skill development comparable to normal-hearing peers. Mothers adapt their speech pitch to their infant

Area of Science:

  • Pediatric audiology
  • Speech-language pathology
  • Neuroscience of hearing

Background:

  • Universal newborn hearing screening identifies more infants with hearing loss.
  • Early intervention, including cochlear implants (CI), is crucial for language development.
  • Age at implantation significantly impacts language outcomes in infants.

Purpose of the Study:

  • To evaluate new behavioral methods for assessing speech and language skills in infants receiving cochlear implants.
  • To analyze speech input characteristics for young cochlear implant recipients.
  • To compare listening skill development in early-implanted infants with normal-hearing infants.

Main Methods:

  • A cohort-sequential study involving 13 infants with profound hearing loss implanted between 6-12 months.

Related Experiment Videos

  • Utilized visual habituation to assess speech sound discrimination and preferential looking to evaluate sound-object association learning.
  • Analyzed the pitch of maternal speech directed at infants with CIs and compared it to controls.

    • Main Results:

    • Infants implanted early showed looking time patterns similar to normal-hearing infants.
    • Mothers' speech pitch to infants with CIs was comparable to that of normal-hearing infants with similar auditory experience.
    • No surgical or anesthetic complications were reported.

    Conclusions:

    • Early cochlear implantation facilitates listening skill development that mirrors that of normal-hearing infants.
    • Maternal speech adapts in pitch to match the auditory experience of infants with cochlear implants.
    • The studied behavioral methodologies are effective for assessing early auditory development in infants with CIs.