Speech Intelligibility in Speakers With Adductor Laryngeal Dystonia.
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| Title: | Speech Intelligibility in Speakers With Adductor Laryngeal Dystonia. |
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| Authors: | Duque, Turley1 turleyd@bu.edu, Vojtech, Jenny1, Marks, Katherine L.1,2, Toles, Laura E.3, Sauder, Cara4, Eadie, Tanya L.4, Stepp, Cara E.1,5,6 |
| Source: | Journal of Speech, Language & Hearing Research. Apr2026, Vol. 69 Issue 4, p1568-1575. 8p. |
| Subject Terms: | *Intelligibility of speech, *Research methodology, Pearson correlation (Statistics), Laryngeal muscles, Noise, Research funding, Severity of illness index, Descriptive statistics, Case-control method, Dystonia, Analysis of variance, Data analysis software, Spasmodic dysphonia, Disease complications |
| Abstract: | Purpose: Adductor laryngeal dystonia (AdLD) is a neurological voice disorder characterized by spasms in the adductory muscles of the larynx, resulting in a dysphonic voice with intermittent voice breaks. This study compared the intelligibility of individuals with AdLD to those without in noisy environments and characterized the relationship between their overall severity of dysphonia and intelligibility. Method: Speakers (44 with AdLD and 44 age- and sex-matched controls) each read a unique set of stimuli from the Sentence Intelligibility Test. Overall severity of dysphonia was assessed by five experienced speech-language pathologists. Five inexperienced listeners orthographically transcribed all sentences presented with multispeaker babble. An analysis of variance was performed to determine the effect of group on intelligibility scores. The strength of the linear relationship between intelligibility and overall severity of dysphonia was assessed in the AdLD group. Results: Individuals with AdLD had significantly lower intelligibility than controls. Individuals with AdLD with more severe dysphonia had significantly lower intelligibility. Conclusions: AdLD negatively impacts an individual's ability to be understood in noisy environments, and this effect becomes stronger as dysphonia is perceived as more severe. These negative impacts on intelligibility should be considered when creating treatment strategies or counseling individuals with AdLD. [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Education Research Complete |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
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| Header | DbId: ehh DbLabel: Education Research Complete An: 192982178 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Speech Intelligibility in Speakers With Adductor Laryngeal Dystonia. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Duque%2C+Turley%22">Duque, Turley</searchLink><relatesTo>1</relatesTo><i> turleyd@bu.edu</i><br /><searchLink fieldCode="AR" term="%22Vojtech%2C+Jenny%22">Vojtech, Jenny</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Marks%2C+Katherine+L%2E%22">Marks, Katherine L.</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Toles%2C+Laura+E%2E%22">Toles, Laura E.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Sauder%2C+Cara%22">Sauder, Cara</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Eadie%2C+Tanya+L%2E%22">Eadie, Tanya L.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Stepp%2C+Cara+E%2E%22">Stepp, Cara E.</searchLink><relatesTo>1,5,6</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Speech%2C+Language+%26+Hearing+Research%22">Journal of Speech, Language & Hearing Research</searchLink>. Apr2026, Vol. 69 Issue 4, p1568-1575. 8p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Intelligibility+of+speech%22">Intelligibility of speech</searchLink><br />*<searchLink fieldCode="DE" term="%22Research+methodology%22">Research methodology</searchLink><br /><searchLink fieldCode="DE" term="%22Pearson+correlation+%28Statistics%29%22">Pearson correlation (Statistics)</searchLink><br /><searchLink fieldCode="DE" term="%22Laryngeal+muscles%22">Laryngeal muscles</searchLink><br /><searchLink fieldCode="DE" term="%22Noise%22">Noise</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22Severity+of+illness+index%22">Severity of illness index</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Case-control+method%22">Case-control method</searchLink><br /><searchLink fieldCode="DE" term="%22Dystonia%22">Dystonia</searchLink><br /><searchLink fieldCode="DE" term="%22Analysis+of+variance%22">Analysis of variance</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis+software%22">Data analysis software</searchLink><br /><searchLink fieldCode="DE" term="%22Spasmodic+dysphonia%22">Spasmodic dysphonia</searchLink><br /><searchLink fieldCode="DE" term="%22Disease+complications%22">Disease complications</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Purpose: Adductor laryngeal dystonia (AdLD) is a neurological voice disorder characterized by spasms in the adductory muscles of the larynx, resulting in a dysphonic voice with intermittent voice breaks. This study compared the intelligibility of individuals with AdLD to those without in noisy environments and characterized the relationship between their overall severity of dysphonia and intelligibility. Method: Speakers (44 with AdLD and 44 age- and sex-matched controls) each read a unique set of stimuli from the Sentence Intelligibility Test. Overall severity of dysphonia was assessed by five experienced speech-language pathologists. Five inexperienced listeners orthographically transcribed all sentences presented with multispeaker babble. An analysis of variance was performed to determine the effect of group on intelligibility scores. The strength of the linear relationship between intelligibility and overall severity of dysphonia was assessed in the AdLD group. Results: Individuals with AdLD had significantly lower intelligibility than controls. Individuals with AdLD with more severe dysphonia had significantly lower intelligibility. Conclusions: AdLD negatively impacts an individual's ability to be understood in noisy environments, and this effect becomes stronger as dysphonia is perceived as more severe. These negative impacts on intelligibility should be considered when creating treatment strategies or counseling individuals with AdLD. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1044/2025_JSLHR-25-00633 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 8 StartPage: 1568 Subjects: – SubjectFull: Intelligibility of speech Type: general – SubjectFull: Research methodology Type: general – SubjectFull: Pearson correlation (Statistics) Type: general – SubjectFull: Laryngeal muscles Type: general – SubjectFull: Noise Type: general – SubjectFull: Research funding Type: general – SubjectFull: Severity of illness index Type: general – SubjectFull: Descriptive statistics Type: general – SubjectFull: Case-control method Type: general – SubjectFull: Dystonia Type: general – SubjectFull: Analysis of variance Type: general – SubjectFull: Data analysis software Type: general – SubjectFull: Spasmodic dysphonia Type: general – SubjectFull: Disease complications Type: general Titles: – TitleFull: Speech Intelligibility in Speakers With Adductor Laryngeal Dystonia. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Duque, Turley – PersonEntity: Name: NameFull: Vojtech, Jenny – PersonEntity: Name: NameFull: Marks, Katherine L. – PersonEntity: Name: NameFull: Toles, Laura E. – PersonEntity: Name: NameFull: Sauder, Cara – PersonEntity: Name: NameFull: Eadie, Tanya L. – PersonEntity: Name: NameFull: Stepp, Cara E. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 04 Text: Apr2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 10924388 Numbering: – Type: volume Value: 69 – Type: issue Value: 4 Titles: – TitleFull: Journal of Speech, Language & Hearing Research Type: main |
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