The Relation between Stimulus Context, Speech Audibility, and Perception for Normal-Hearing and Hearing-Impaired Children

Patricia Stelmachowicz, Brenda M. Hoover, Dawna E Lewis, Reinier W L Kortekaas, Andrea L. Pittman

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

In this study, the influence of stimulus context and audibility on sentence recognition was assessed in 60 normal-hearing children, 23 hearing-impaired children, and 20 normal-hearing adults. Performance-intensity (Pl) functions were obtained for 60 semantically correct and 60 semantically anomalous sentences. For each participant, an audibility index (Al) was calculated at each presentation level, and a logistic function was fitted to rau-transformed percent-correct values to estimate the SPL and Al required to achieve 70% performance. For both types of sentences, there was a systematic age-related shift in the Pl functions, suggesting that young children require a higher Al to achieve performance equivalent to that of adults. Improvement in performance with the addition of semantic context was statistically significant only for the normal-hearing 5-year-olds and adults. Data from the hearing-impaired children showed age-related trends that were similar to those of the normal-hearing children, with the majority of individual data falling within the 5th and 95th percentile of normal. The implications of these findings in terms of hearing-aid fitting strategies for young children are discussed.

Original languageEnglish (US)
Pages (from-to)902-914
Number of pages13
JournalJournal of Speech, Language, and Hearing Research
Volume43
Issue number4
DOIs
StatePublished - Aug 2000

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Speech Perception
Hearing
stimulus
performance
Hearing Aids
Semantics
Stimulus
Hearing Impairment
logistics
semantics
trend
Young children
Values

Keywords

  • Audibility
  • Children
  • Context
  • Hearing loss
  • Speech perception

ASJC Scopus subject areas

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

Cite this

The Relation between Stimulus Context, Speech Audibility, and Perception for Normal-Hearing and Hearing-Impaired Children. / Stelmachowicz, Patricia; Hoover, Brenda M.; Lewis, Dawna E; Kortekaas, Reinier W L; Pittman, Andrea L.

In: Journal of Speech, Language, and Hearing Research, Vol. 43, No. 4, 08.2000, p. 902-914.

Research output: Contribution to journalArticle

Stelmachowicz, Patricia ; Hoover, Brenda M. ; Lewis, Dawna E ; Kortekaas, Reinier W L ; Pittman, Andrea L. / The Relation between Stimulus Context, Speech Audibility, and Perception for Normal-Hearing and Hearing-Impaired Children. In: Journal of Speech, Language, and Hearing Research. 2000 ; Vol. 43, No. 4. pp. 902-914.
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