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Related Experiment Video

Updated: Jun 11, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

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

Published on: March 24, 2023

Children With Cochlear implants recognize their mother's voice.

Tara Vongpaisal1, Sandra E Trehub, E Glenn Schellenberg

  • 1Department of Psychology, University of Toronto, Toronto, Ontario, Canada.

Ear and Hearing
|July 1, 2010
PubMed
Summary

Children with cochlear implants (CI) can distinguish familiar voices from unfamiliar ones, even when voices are similar. Familiarity and natural speech patterns significantly aid this crucial auditory skill in CI users.

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Area of Science:

  • Auditory Perception
  • Speech Processing
  • Human-Computer Interaction

Background:

  • Cochlear implant (CI) users often struggle with talker differentiation, particularly distinguishing same-gender voices.
  • Previous research indicates significant challenges for CI users in identifying different speakers.

Purpose of the Study:

  • To investigate if child cochlear implant (CI) users can differentiate talkers under optimized conditions.
  • To assess the impact of familiar voices, full sentences, and interactive tasks on talker identification performance in child CI users.

Main Methods:

  • Experiment 1: 21 child CI users and 16 normal-hearing (NH) children performed a 4-alternative forced-choice task to differentiate their mother's voice from unfamiliar talkers (man, woman, girl).
  • Experiment 2: 19 child CI users and 11 NH children performed a 2-alternative forced-choice task differentiating mother's voice from unfamiliar women.
  • Both experiments included conditions with natural prosody and imitated prosody to evaluate cue utilization.

Main Results:

  • Child CI users successfully differentiated their mother's voice from unfamiliar speakers in both experiments.
  • Performance was superior when exposed to natural prosodic variations compared to imitated prosody.
  • While successful, child CI users' performance lagged behind that of their NH peers, who achieved near-ceiling levels.

Conclusions:

  • Child CI users can achieve talker differentiation, including same-gender voices, by utilizing temporal cues like articulation variations and speaking rate.
  • Long-term familiarity with a specific voice, such as a mother's, significantly enhances a child CI user's ability to distinguish speakers.
  • Optimized auditory conditions and familiar voice exposure are key to improving talker identification for children with cochlear implants.