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Related Experiment Video

Updated: Jan 21, 2026

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process
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Mismatch Negativity in Children with Cochlear Implant.

Natalia Martinez Fernandes1, Daniela Gil2, Marisa Frasson de Azevedo2

  • 1Department of Audiology, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil.

International Archives of Otorhinolaryngology
|July 31, 2019
PubMed
Summary
This summary is machine-generated.

Children with cochlear implants demonstrate similar mismatch negativity (MMN) auditory responses to hearing children. MMN presence did not correlate with language development, speech perception, or family involvement in rehabilitation.

Keywords:
cochlear implantselectrophysiologyhearing losslanguage development

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Area of Science:

  • Auditory Neuroscience
  • Neurophysiology
  • Pediatric Audiology

Background:

  • Mismatch negativity (MMN) is an auditory evoked potential reflecting cortical sound processing.
  • MMN can offer insights into auditory function in children using cochlear implants (CIs).

Purpose of the Study:

  • To characterize MMN latency, amplitude, and area in children with CIs compared to hearing children.
  • To investigate associations between MMN and language development, speech perception, and family involvement in CI users.

Main Methods:

  • A descriptive, observational, cross-sectional study comparing children with CIs and hearing children.
  • MMN evaluation using tone burst stimuli and speech/language assessments.
  • Classification of family participation in the rehabilitation process.

Main Results:

  • MMN occurrence was 53.3% in children with CIs versus 73.3% in the control group.
  • MMN latency, amplitude, and area were similar between children with CIs and hearing children.
  • No significant correlations were found between MMN occurrence and language, speech perception, or family involvement.

Conclusions:

  • Children with CIs exhibit comparable MMN responses to their hearing peers.
  • MMN characteristics in CI users did not correlate with auditory/language development or family engagement.