Speech intelligibility in deaf children after long-term cochlear implant use

Jessica L. Montag, Angela M. AuBuchon, David Pisoni, William Kronenberger

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Purpose: This study investigated long-term speech intelligibility outcomes in 63 prelingually deaf children, adolescents, and young adults who received cochlear implants (CIs) before age 7 (M = 2;11 [years;months], range = 0;8–6;3) and used their implants for at least 7 years (M = 12;1, range = 7;0–22;5).

Method: Speech intelligibility was assessed using playback methods with naïve, normal-hearing listeners.

Results: Mean intelligibility scores were lower than scores obtained from an age- and nonverbal IQ–matched, normal-hearing control sample, although the majority of CI users scored within the range of the control sample. Our sample allowed us to investigate the contribution of several demographic and cognitive factors to speech intelligibility. CI users who used their implant for longer periods of time exhibited poorer speech intelligibility scores. Crucially, results from a hierarchical regression model suggested that this difference was due to more conservative candidacy criteria in CI users with more years of use. No other demographic variables accounted for significant variance in speech intelligibility scores beyond age of implantation and amount of spoken language experience (assessed by communication mode and family income measures).

Conclusion: Many factors that have been found to contribute to individual differences in language outcomes in normal-hearing children also contribute to long-term CI users’ ability to produce intelligible speech.

Original languageEnglish
Pages (from-to)2332-2343
Number of pages12
JournalJournal of Speech, Language, and Hearing Research
Volume57
Issue number6
DOIs
StatePublished - Dec 1 2014

Fingerprint

Speech Intelligibility
Cochlear Implants
Hearing
Language
Demography
Aptitude
cognitive factors
Individuality
family income
spoken language
demographic factors
Young Adult
listener
Communication
young adult
Deaf children
Cochlear Implant
candidacy
adolescent
regression

ASJC Scopus subject areas

  • Speech and Hearing
  • Language and Linguistics
  • Linguistics and Language

Cite this

Speech intelligibility in deaf children after long-term cochlear implant use. / Montag, Jessica L.; AuBuchon, Angela M.; Pisoni, David; Kronenberger, William.

In: Journal of Speech, Language, and Hearing Research, Vol. 57, No. 6, 01.12.2014, p. 2332-2343.

Research output: Contribution to journalArticle

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