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Effects of mild-to-moderate sensorineural hearing loss and linear amplification on vocal emotion recognition in middle-aged–older individuals
Linköping University, Department of Behavioural Sciences and Learning, Disability Research Division. Linköping University, Faculty of Arts and Sciences. Linköping University, The Swedish Institute for Disability Research.ORCID iD: 0000-0002-4538-7064
Linköping University, Department of Behavioural Sciences and Learning, Disability Research Division. Linköping University, Faculty of Arts and Sciences. Linköping University, The Swedish Institute for Disability Research.ORCID iD: 0000-0001-7091-9635
Linköping University, Department of Behavioural Sciences and Learning, Disability Research Division. Linköping University, Faculty of Arts and Sciences. Linköping University, The Swedish Institute for Disability Research.ORCID iD: 0000-0001-8903-7931
Linköping University, Department of Biomedical and Clinical Sciences, Division of Sensory Organs and Communication. Linköping University, Faculty of Medicine and Health Sciences.ORCID iD: 0000-0003-3350-8997
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2025 (English)In: PLOS ONE, E-ISSN 1932-6203, Vol. 20, no 7, article id e0322867Article in journal (Refereed) Published
Abstract [en]

Previous research has shown deficits in vocal emotion recognition in sub-populations of individuals with hearing loss. As emotion recognition is an essential ability that affects social interaction, and in extension, can impact well-being, understanding vocal emotion recognition difficulties is a high priority research topic. Furthermore, it has been shown that although hearing aids improves word recognition, it does not improve emotion recognition. To explore emotion recognition and the effect of amplification in individuals with hearing loss, we examined recognition of vocal emotions expressed both verbally and non-verbally in middle-aged to older individuals with and without linear amplification (similar amplification across sound levels). Twenty-one experienced hearing aid users with bilateral mild-to-moderate hearing loss, and 20 individuals with normal hearing performed a vocal emotion recognition task on sentences and non-verbal vocalizations. The hearing loss group had poorer emotion recognition for both sentences (F(1,38)=15.24, p <0.001, η2p=0.29, without linear amplification, and F(1, 38)= 5.62, p=0.023, η2p=0.13, with linear amplification) and non-verbal vocalizations(F(1,38)= 25.18, p <0.001, η2p=0.40, without linear amplification, and F(1, 38)= 10.30, p=0.003, η2p=0.21, with linear amplification). However, linear amplification significantly improved the recognition of happiness (p < 0.001), which is distinguished by frequency parameters, for sentences. For non-verbal vocalizations, recognition of fear (p = 0.004) and anger (p = 0.004), were improved by linear amplification. Patterns of confusion were similar for the two groups, which may suggest that both groups perceived the emotions similarly, but that the degree of perceptual precision was lower in the hearing loss group. In sum, hearing loss negatively impacts vocal emotion recognition, but linear amplification can enhance recognition for some emotions.

Place, publisher, year, edition, pages
Public Library of Science (PLoS) , 2025. Vol. 20, no 7, article id e0322867
Keywords [en]
Vocal emotion recognition, hearing loss, amplification
National Category
Oto-rhino-laryngology Psychology (Excluding Applied Psychology)
Identifiers
URN: urn:nbn:se:liu:diva-216094DOI: 10.1371/journal.pone.0322867ISI: 001569311000006PubMedID: 40668811Scopus ID: 2-s2.0-105010688377OAI: oai:DiVA.org:liu-216094DiVA, id: diva2:1984704
Funder
Hörselskadades Riksförbund, 2016-531
Note

Funding Agencies|Swedish Association of Hard of Hearing People [2016-531]

Available from: 2025-07-17 Created: 2025-07-17 Last updated: 2026-05-25

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Ekberg, MattiasAndin, JosefineSignoret, CarineStenfelt, StefanJacobsson, Jenny

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Ekberg, MattiasAndin, JosefineSignoret, CarineStenfelt, StefanJacobsson, Jenny
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Disability Research DivisionFaculty of Arts and SciencesThe Swedish Institute for Disability ResearchDivision of Sensory Organs and CommunicationFaculty of Medicine and Health SciencesDepartment of Behavioural Sciences and Learning
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Oto-rhino-laryngologyPsychology (Excluding Applied Psychology)

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