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Luminance effects on pupil dilation in speech-in-noise recognition

There is an increasing interest in the field of audiology and speech communication to measure the effort that it takes to listen in noisy environments, with obvious implications for populations suffering from hearing loss. Pupillometry offers one avenue to make progress in this enterprise but import...

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Autores principales: Zhang, Yue, Malaval, Florian, Lehmann, Alexandre, Deroche, Mickael L. D.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9718387/
https://www.ncbi.nlm.nih.gov/pubmed/36459511
http://dx.doi.org/10.1371/journal.pone.0278506
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author Zhang, Yue
Malaval, Florian
Lehmann, Alexandre
Deroche, Mickael L. D.
author_facet Zhang, Yue
Malaval, Florian
Lehmann, Alexandre
Deroche, Mickael L. D.
author_sort Zhang, Yue
collection PubMed
description There is an increasing interest in the field of audiology and speech communication to measure the effort that it takes to listen in noisy environments, with obvious implications for populations suffering from hearing loss. Pupillometry offers one avenue to make progress in this enterprise but important methodological questions remain to be addressed before such tools can serve practical applications. Typically, cocktail-party situations may occur in less-than-ideal lighting conditions, e.g. a pub or a restaurant, and it is unclear how robust pupil dynamics are to luminance changes. In this study, we first used a well-known paradigm where sentences were presented at different signal-to-noise ratios (SNR), all conducive of good intelligibility. This enabled us to replicate findings, e.g. a larger and later peak pupil dilation (PPD) at adverse SNR, or when the sentences were misunderstood, and to investigate the dependency of the PPD on sentence duration. A second experiment reiterated two of the SNR levels, 0 and +14 dB, but measured at 0, 75, and 220 lux. The results showed that the impact of luminance on the SNR effect was non-monotonic (sub-optimal in darkness or in bright light), and as such, there is no trivial way to derive pupillary metrics that are robust to differences in background light, posing considerable constraints for applications of pupillometry in daily life. Our findings raise an under-examined but crucial issue when designing and understanding listening effort studies using pupillometry, and offer important insights to future clinical application of pupillometry across sites.
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spelling pubmed-97183872022-12-03 Luminance effects on pupil dilation in speech-in-noise recognition Zhang, Yue Malaval, Florian Lehmann, Alexandre Deroche, Mickael L. D. PLoS One Research Article There is an increasing interest in the field of audiology and speech communication to measure the effort that it takes to listen in noisy environments, with obvious implications for populations suffering from hearing loss. Pupillometry offers one avenue to make progress in this enterprise but important methodological questions remain to be addressed before such tools can serve practical applications. Typically, cocktail-party situations may occur in less-than-ideal lighting conditions, e.g. a pub or a restaurant, and it is unclear how robust pupil dynamics are to luminance changes. In this study, we first used a well-known paradigm where sentences were presented at different signal-to-noise ratios (SNR), all conducive of good intelligibility. This enabled us to replicate findings, e.g. a larger and later peak pupil dilation (PPD) at adverse SNR, or when the sentences were misunderstood, and to investigate the dependency of the PPD on sentence duration. A second experiment reiterated two of the SNR levels, 0 and +14 dB, but measured at 0, 75, and 220 lux. The results showed that the impact of luminance on the SNR effect was non-monotonic (sub-optimal in darkness or in bright light), and as such, there is no trivial way to derive pupillary metrics that are robust to differences in background light, posing considerable constraints for applications of pupillometry in daily life. Our findings raise an under-examined but crucial issue when designing and understanding listening effort studies using pupillometry, and offer important insights to future clinical application of pupillometry across sites. Public Library of Science 2022-12-02 /pmc/articles/PMC9718387/ /pubmed/36459511 http://dx.doi.org/10.1371/journal.pone.0278506 Text en © 2022 Zhang et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Zhang, Yue
Malaval, Florian
Lehmann, Alexandre
Deroche, Mickael L. D.
Luminance effects on pupil dilation in speech-in-noise recognition
title Luminance effects on pupil dilation in speech-in-noise recognition
title_full Luminance effects on pupil dilation in speech-in-noise recognition
title_fullStr Luminance effects on pupil dilation in speech-in-noise recognition
title_full_unstemmed Luminance effects on pupil dilation in speech-in-noise recognition
title_short Luminance effects on pupil dilation in speech-in-noise recognition
title_sort luminance effects on pupil dilation in speech-in-noise recognition
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9718387/
https://www.ncbi.nlm.nih.gov/pubmed/36459511
http://dx.doi.org/10.1371/journal.pone.0278506
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AT derochemickaelld luminanceeffectsonpupildilationinspeechinnoiserecognition