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Related Concept Videos

Language Development01:22

Language Development

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Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
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Auditory Pathway01:15

Auditory Pathway

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Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
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Related Experiment Video

Updated: Mar 12, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

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[Do Early Cochlear-Implanted Toddlers Show a Better Speech Development than Later Implanted Children?]

K Kral1, R Lang-Roth1, N Hilger2

  • 1Klinik und Poliklinik für Hals-, Nasen-, und Ohrenheilkunde, Kopf- und Halschirurgie, Uniklinik Köln, Cochlear Implant Centrum Köln, Köln.

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Summary

Early cochlear implantation (CI) in deaf children supports age-appropriate speech development. While implantation timing is crucial, bilingualism may delay German language acquisition in CI recipients.

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Area of Science:

  • Pediatric audiology
  • Speech-language pathology
  • Developmental pediatrics

Background:

  • Cochlear implantation (CI) is a key intervention for profound hearing loss in children.
  • Achieving age-appropriate speech development is the primary goal of early CI.
  • Assessing speech development requires standardized language assessment tools.

Purpose of the Study:

  • To evaluate speech development in deaf children following cochlear implantation.
  • To determine the impact of implantation age on speech outcomes.
  • To identify factors influencing language acquisition in pediatric CI users.

Main Methods:

  • Sixty deaf children with cochlear implants were assessed using the SETK-2 language test.
  • Speech development was evaluated two years post-initial speech processor mapping.
  • Children were analyzed based on implantation age (≤12 months vs. ≥13 months) and bilingual exposure.

Main Results:

  • Over 68% of children achieved hearing-age-equivalent receptive and expressive language skills.
  • No significant difference in outcomes was found between early (≤12 months) and later (≥13 months) implantation groups.
  • Children implanted earlier demonstrated age-appropriate results at a younger chronological age, with a smaller discrepancy between speech and chronological age.

Conclusions:

  • Early cochlear implantation is critical for optimal speech development in children born deaf.
  • Bilingual environments may present challenges to German language development in this population.
  • Rehabilitation strategies should address the needs of multilingual children with cochlear implants.