Recognition of rapid speech by blind and sighted older adults
Identifieur interne : 001083 ( Pmc/Corpus ); précédent : 001082; suivant : 001084Recognition of rapid speech by blind and sighted older adults
Auteurs : Sandra Gordon-Salant ; Sarah A. FriedmanSource :
- Journal of speech, language, and hearing research : JSLHR [ 1092-4388 ] ; 2010.
Abstract
The goal of this study was to determine if older blind participants recognize time-compressed speech better than older sighted participants.
Three groups of adults with normal hearing participated (n = 10/group): older sighted, older blind, and younger sighted listeners. Low-predictability sentences that were uncompressed (0% time compression ratio, TCR) and compressed at three rates (40%, 50%, and 60% TCR) were presented to listeners in quiet and noise.
Older blind listeners recognized all time-compressed speech stimuli significantly better than older sighted listeners in quiet. In noise, the older blind adults recognized the uncompressed and 40% TCR speech stimuli better than the older sighted adults. Performance differences between the younger sighted adults and older blind adults were not observed.
The findings support the notion that older blind adults recognize time-compressed speech considerably better than older sighted adults in quiet and noise. Their performance levels are similar to those of younger adults, suggesting that age-related difficulty in understanding time-compressed speech is not an inevitable consequence of aging. Rather, frequent listening to speech at rapid rates, which was highly correlated with performance of the older blind adults, may be a useful technique to minimize age-related slowing in speech understanding.
Url:
DOI: 10.1044/1092-4388(2010/10-0052)
PubMed: 20689022
PubMed Central: 3034112
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