Speech perception in older hearing impaired listeners: benefits of perceptual training

PloS One
David L WoodsE William Yund

Abstract

Hearing aids (HAs) only partially restore the ability of older hearing impaired (OHI) listeners to understand speech in noise, due in large part to persistent deficits in consonant identification. Here, we investigated whether adaptive perceptual training would improve consonant-identification in noise in sixteen aided OHI listeners who underwent 40 hours of computer-based training in their homes. Listeners identified 20 onset and 20 coda consonants in 9,600 consonant-vowel-consonant (CVC) syllables containing different vowels (/ɑ/, /i/, or /u/) and spoken by four different talkers. Consonants were presented at three consonant-specific signal-to-noise ratios (SNRs) spanning a 12 dB range. Noise levels were adjusted over training sessions based on d' measures. Listeners were tested before and after training to measure (1) changes in consonant-identification thresholds using syllables spoken by familiar and unfamiliar talkers, and (2) sentence reception thresholds (SeRTs) using two different sentence tests. Consonant-identification thresholds improved gradually during training. Laboratory tests of d' thresholds showed an average improvement of 9.1 dB, with 94% of listeners showing statistically significant training benefit. Train...Continue Reading

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Citations

Feb 7, 2018·Journal of Applied Gerontology : the Official Journal of the Southern Gerontological Society·Nicole WilliamsLauren E Griffith
Feb 26, 2020·Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·Arianna Di StadioAntonio Greco
Jun 3, 2018·The Journal of the Acoustical Society of America·Martin Cooke, Maria Luisa Garcia Lecumberri

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Methods Mentioned

BETA
cochlear implant

Software Mentioned

CLEAVE
Speech Perception Assessment and Training System ( SPATS )
HINT
Dell Studio One
SeRT
SPATS
QSIN

Related Concepts

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Auditory Perception

Auditory perception is the ability to receive and interpret information attained by the ears. Here is the latest research on factors and underlying mechanisms that influence auditory perception.

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