Effects of hearing and aging on sentence-level time-gated word recognition

Michelle Molis, Sean D. Kampel, Garnett P. McMillan, Frederick Gallun, Serena M. Dann, Dawn Konrad-Martin

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Purpose: Aging is known to influence temporal processing, but its relationship to speech perception has not been clearly defined. To examine listeners’ use of contextual and phonetic information, the Revised Speech Perception in Noise test (R-SPIN) was used to develop a time-gated word (TGW) task. Method: In Experiment 1, R-SPIN sentence lists were matched on context, target-word length, and median word segment length necessary for target recognition. In Experiment 2, TGW recognition was assessed in quiet and in noise among adults of various ages with normal hearing to moderate hearing loss. Linear regression models of the minimum word duration necessary for correct identification and identification failure rates were developed. Age and hearing thresholds were modeled as continuous predictors with corrections for correlations among multiple measurements of the same participants. Results: While aging and hearing loss both had significant impacts on task performance in the most adverse listening condition (low context, in noise), for most conditions, performance was limited primarily by hearing loss. Conclusion: Whereas hearing loss was strongly related to target-word recognition, the effect of aging was only weakly related to task performance. These results have implications for the design and evaluation of studies of hearing and aging.

Original languageEnglish (US)
Pages (from-to)481-496
Number of pages16
JournalJournal of Speech, Language, and Hearing Research
Volume58
Issue number2
DOIs
StatePublished - Apr 1 2015

Fingerprint

Hearing Loss
Speech Perception
Hearing
Noise
Task Performance and Analysis
Linear Models
performance
Phonetics
experiment
phonetics
listener
regression
Recognition (Psychology)
time
Word Recognition
Hearing Impairment
evaluation
Experiment

ASJC Scopus subject areas

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

Cite this

Effects of hearing and aging on sentence-level time-gated word recognition. / Molis, Michelle; Kampel, Sean D.; McMillan, Garnett P.; Gallun, Frederick; Dann, Serena M.; Konrad-Martin, Dawn.

In: Journal of Speech, Language, and Hearing Research, Vol. 58, No. 2, 01.04.2015, p. 481-496.

Research output: Contribution to journalArticle

Molis, Michelle ; Kampel, Sean D. ; McMillan, Garnett P. ; Gallun, Frederick ; Dann, Serena M. ; Konrad-Martin, Dawn. / Effects of hearing and aging on sentence-level time-gated word recognition. In: Journal of Speech, Language, and Hearing Research. 2015 ; Vol. 58, No. 2. pp. 481-496.
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