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High-Frequency Sensorineural Hearing Loss Alters Cue-Weighting Strategies for Discriminating Stop Consonants in Noise
There is increasing evidence that hearing-impaired (HI) individuals do not use the same listening strategies as normal-hearing (NH) individuals, even when wearing optimally fitted hearing aids. In this perspective, better characterization of individual perceptual strategies is an important step towa...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
SAGE Publications
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6856982/ https://www.ncbi.nlm.nih.gov/pubmed/31722636 http://dx.doi.org/10.1177/2331216519886707 |
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author | Varnet, Léo Langlet, Chloé Lorenzi, Christian Lazard, Diane S. Micheyl, Christophe |
author_facet | Varnet, Léo Langlet, Chloé Lorenzi, Christian Lazard, Diane S. Micheyl, Christophe |
author_sort | Varnet, Léo |
collection | PubMed |
description | There is increasing evidence that hearing-impaired (HI) individuals do not use the same listening strategies as normal-hearing (NH) individuals, even when wearing optimally fitted hearing aids. In this perspective, better characterization of individual perceptual strategies is an important step toward designing more effective speech-processing algorithms. Here, we describe two complementary approaches for (a) revealing the acoustic cues used by a participant in a /d/-/g/ categorization task in noise and (b) measuring the relative contributions of these cues to decision. These two approaches involve natural speech recordings altered by the addition of a “bump noise.” The bumps were narrowband bursts of noise localized on the spectrotemporal locations of the acoustic cues, allowing the experimenter to manipulate the consonant percept. The cue-weighting strategies were estimated for three groups of participants: 17 NH listeners, 18 HI listeners with high-frequency loss, and 15 HI listeners with flat loss. HI participants were provided with individual frequency-dependent amplification to compensate for their hearing loss. Although all listeners relied more heavily on the high-frequency cue than on the low-frequency cue, an important variability was observed in the individual weights, mostly explained by differences in internal noise. Individuals with high-frequency loss relied slightly less heavily on the high-frequency cue relative to the low-frequency cue, compared with NH individuals, suggesting a possible influence of supra-threshold deficits on cue-weighting strategies. Altogether, these results suggest a need for individually tailored speech-in-noise processing in hearing aids, if more effective speech discriminability in noise is to be achieved. |
format | Online Article Text |
id | pubmed-6856982 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | SAGE Publications |
record_format | MEDLINE/PubMed |
spelling | pubmed-68569822019-11-22 High-Frequency Sensorineural Hearing Loss Alters Cue-Weighting Strategies for Discriminating Stop Consonants in Noise Varnet, Léo Langlet, Chloé Lorenzi, Christian Lazard, Diane S. Micheyl, Christophe Trends Hear Original Article There is increasing evidence that hearing-impaired (HI) individuals do not use the same listening strategies as normal-hearing (NH) individuals, even when wearing optimally fitted hearing aids. In this perspective, better characterization of individual perceptual strategies is an important step toward designing more effective speech-processing algorithms. Here, we describe two complementary approaches for (a) revealing the acoustic cues used by a participant in a /d/-/g/ categorization task in noise and (b) measuring the relative contributions of these cues to decision. These two approaches involve natural speech recordings altered by the addition of a “bump noise.” The bumps were narrowband bursts of noise localized on the spectrotemporal locations of the acoustic cues, allowing the experimenter to manipulate the consonant percept. The cue-weighting strategies were estimated for three groups of participants: 17 NH listeners, 18 HI listeners with high-frequency loss, and 15 HI listeners with flat loss. HI participants were provided with individual frequency-dependent amplification to compensate for their hearing loss. Although all listeners relied more heavily on the high-frequency cue than on the low-frequency cue, an important variability was observed in the individual weights, mostly explained by differences in internal noise. Individuals with high-frequency loss relied slightly less heavily on the high-frequency cue relative to the low-frequency cue, compared with NH individuals, suggesting a possible influence of supra-threshold deficits on cue-weighting strategies. Altogether, these results suggest a need for individually tailored speech-in-noise processing in hearing aids, if more effective speech discriminability in noise is to be achieved. SAGE Publications 2019-11-14 /pmc/articles/PMC6856982/ /pubmed/31722636 http://dx.doi.org/10.1177/2331216519886707 Text en © The Author(s) 2019 http://creativecommons.org/licenses/by-nc/4.0/ Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage). |
spellingShingle | Original Article Varnet, Léo Langlet, Chloé Lorenzi, Christian Lazard, Diane S. Micheyl, Christophe High-Frequency Sensorineural Hearing Loss Alters Cue-Weighting Strategies for Discriminating Stop Consonants in Noise |
title | High-Frequency Sensorineural Hearing Loss Alters Cue-Weighting
Strategies for Discriminating Stop Consonants in Noise |
title_full | High-Frequency Sensorineural Hearing Loss Alters Cue-Weighting
Strategies for Discriminating Stop Consonants in Noise |
title_fullStr | High-Frequency Sensorineural Hearing Loss Alters Cue-Weighting
Strategies for Discriminating Stop Consonants in Noise |
title_full_unstemmed | High-Frequency Sensorineural Hearing Loss Alters Cue-Weighting
Strategies for Discriminating Stop Consonants in Noise |
title_short | High-Frequency Sensorineural Hearing Loss Alters Cue-Weighting
Strategies for Discriminating Stop Consonants in Noise |
title_sort | high-frequency sensorineural hearing loss alters cue-weighting
strategies for discriminating stop consonants in noise |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6856982/ https://www.ncbi.nlm.nih.gov/pubmed/31722636 http://dx.doi.org/10.1177/2331216519886707 |
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