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Related Experiment Video

Updated: Jul 4, 2026

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

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Phonetic processing in children with cochlear implants: an auditory event-related potentials study.

Yael Henkin1, Paul R Kileny, Minka Hildesheimer

  • 1Department of Communication Disorders, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel. henkin@post.tau.ac.il

Ear and Hearing
|July 3, 2008
PubMed
Summary
This summary is machine-generated.

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This study used auditory event-related potentials (AERPs) to assess speech-sound processing in children with cochlear implants (CI). Findings show P3 potential reflects acoustic-phonetic difficulty, aiding understanding of neural encoding in CI users.

Area of Science:

  • Neuroscience
  • Audiology
  • Speech-Language Pathology

Background:

  • Cochlear implants (CI) aim to restore hearing in deafened individuals.
  • Assessing speech-sound processing in children with CI is crucial for understanding their auditory development.
  • Auditory event-related potentials (AERPs) offer a non-invasive method to evaluate neural responses to auditory stimuli.

Purpose of the Study:

  • To investigate the impact of increasing acoustic-phonetic difficulty on auditory event-related potentials (AERPs) in children with cochlear implants (CI).
  • To evaluate the relationship between electrophysiological measures (P3 potential) and behavioral performance in speech-sound discrimination tasks.
  • To determine the utility of the P3 potential as a neural index for speech processing in pediatric CI users.

Main Methods:

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Last Updated: Jul 4, 2026

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
11:39

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06:34

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

  • AERPs were recorded from ten prelingually deafened children (9-14 years old) with Nucleus 22 CIs using oddball discrimination tasks.
  • Stimuli varied in acoustic-phonetic features (vowel place, vowel height, voicing, place of articulation) to systematically increase task difficulty.
  • Behavioral measures (accuracy, reaction time) and electrophysiological measures (P3 latency, amplitude, distribution) were analyzed.

Main Results:

  • The P3 component of AERPs was reliably identified, showing increased latency and decreased amplitude with rising acoustic-phonetic difficulty.
  • Behavioral measures mirrored this trend, with increased reaction time and decreased performance accuracy.
  • The P3 potential was absent in some children during the most challenging discrimination task, highlighting its sensitivity to phonetic processing demands.

Conclusions:

  • The P3 potential serves as a sensitive neural index for evaluating speech-sound processing in children with CI.
  • Speech perception performance in CI users correlates with neurophysiological responses at cortical levels.
  • AERPs, specifically the P3 potential, can be valuable for assessing neural encoding and speech accessibility in CI recipients.