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The effects of age on auditory speech perception development in cochlear-implanted prelingually deaf children.

Saeid Hassanzadeh1, Mohammad Farhadi, Ahmad Daneshi

  • 1Iranian Cochlear Implant Center (ICIC), Iran. hassanzadeh@iran.cochlea.com

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|June 21, 2002
PubMed
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Children who received cochlear implants between 0-3 years old demonstrated the best auditory speech perception. Early implantation significantly impacts speech understanding in pediatric cochlear implant users.

Area of Science:

  • Audiology
  • Pediatric Medicine
  • Speech-Language Pathology

Background:

  • Age at cochlear implantation is a critical factor for auditory speech perception in children.
  • Understanding the impact of implantation age is crucial for optimizing outcomes.

Purpose of the Study:

  • To compare auditory speech perception across six distinct age groups of pediatric cochlear implant recipients.
  • To identify the optimal age range for cochlear implantation to maximize speech perception.

Main Methods:

  • Matched cohort study comparing children implanted between 0-3, 4-5, 6-7, 8-9, 10-11, and >12 years.
  • Subjects matched for socioeconomic status, pre-implantation hearing, device type, speech strategy, communication mode, and language.
  • Auditory speech perception assessed using standardized closed and open-set tests after a minimum of 2 years of device use.

Related Experiment Videos

Main Results:

  • Children implanted between 0 to 3 years of age exhibited the highest levels of auditory speech perception.
  • Significant differences in speech perception were observed across the different age-at-implantation groups.

Conclusions:

  • Early cochlear implantation (0-3 years) is associated with superior auditory speech perception outcomes in children.
  • Age at implantation is a key determinant of success in pediatric cochlear implant rehabilitation.