Aided and unaided speech perception by older hearing impaired listeners

PloS One
David L WoodsE William Yund

Abstract

The most common complaint of older hearing impaired (OHI) listeners is difficulty understanding speech in the presence of noise. However, tests of consonant-identification and sentence reception threshold (SeRT) provide different perspectives on the magnitude of impairment. Here we quantified speech perception difficulties in 24 OHI listeners in unaided and aided conditions by analyzing (1) consonant-identification thresholds and consonant confusions for 20 onset and 20 coda consonants in consonant-vowel-consonant (CVC) syllables presented at consonant-specific signal-to-noise (SNR) levels, and (2) SeRTs obtained with the Quick Speech in Noise Test (QSIN) and the Hearing in Noise Test (HINT). Compared to older normal hearing (ONH) listeners, nearly all unaided OHI listeners showed abnormal consonant-identification thresholds, abnormal consonant confusions, and reduced psychometric function slopes. Average elevations in consonant-identification thresholds exceeded 35 dB, correlated strongly with impairments in mid-frequency hearing, and were greater for hard-to-identify consonants. Advanced digital hearing aids (HAs) improved average consonant-identification thresholds by more than 17 dB, with significant HA benefit seen in 83% ...Continue Reading

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Citations

Jan 18, 2016·The Laryngoscope·Kevin J ContreraFrank R Lin
May 3, 2018·The Journal of the Acoustical Society of America·Baljeet Rana, Jörg M Buchholz
Jun 4, 2020·The Journal of the Acoustical Society of America·Joshua G W BernsteinKen W Grant
Apr 6, 2019·Journal of Speech, Language, and Hearing Research : JSLHR·Jianghua LeiLiang Chen
May 5, 2021·Nature Biomedical Engineering·Alex G ArmstrongNicholas A Lesica
Sep 1, 2021·JMIR Serious Games·Hye Yoon SeolIl Joon Moon

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Software Mentioned

CLEAVE
Speech Guard
CaST
HINT
Plomp
SeRT

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