The Neural Representation of Consonant-Vowel Transitions in Adults Who Wear Hearing Aids

Kelly L. Tremblay, Laura Kalstein, Cuttis J. Billings, Pamela E. Souza

Research output: Contribution to journalArticle

34 Scopus citations

Abstract

Hearing aids help compensate for disorders of the ear by amplifying sound; however, their effectiveness also depends on the central auditory system's ability to represent and integrate spectral and temporal information delivered by the hearing aid. The authors report that the neural detection of time-varying acoustic cues contained in speech can be recorded in adult hearing aid users using the acoustic change complex (ACC). Seven adults (50–76 years) with mild to severe sensorineural hearing participated in the study. When presented with 2 identifiable consonant-vowel (CV) syllables (“shee” and “see”), the neural detection of CV transitions (as indicated by the presence of a P1-N1-P2 response) was different for each speech sound. More specifically, the latency of the evoked neural response coincided in time with the onset of the vowel, similar to the latency patterns the authors previously reported in normal-hearing listeners.

Original languageEnglish (US)
Pages (from-to)155-162
Number of pages8
JournalTrends in Amplification
Volume10
Issue number3
DOIs
StatePublished - Sep 2006

Keywords

  • N100
  • P1-N1-P2 complex
  • acoustic change complex (ACC)
  • amplification
  • auditory evoked potentials (AEP)
  • cortical auditory evoked potentials (CAEP)
  • event-related potentials (ERP)
  • hearing aids

ASJC Scopus subject areas

  • Speech and Hearing

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