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Kinematic and Acoustic Responses to Predictable and Unexpected Auditory Feedback Perturbations in Speakers With and Without Parkinson's Disease.

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Title: Kinematic and Acoustic Responses to Predictable and Unexpected Auditory Feedback Perturbations in Speakers With and Without Parkinson's Disease.
Authors: Rebernik, Teja1,2 teja.rebernik@cnrs.fr, Tienkamp, Thomas3,4,5, Chaboksavar, Sasha3, Hoekzema, Nikki3, Ciot, Valentina6, Polsterer, Katharina2,3, Gleichman, Annetje3, Jonkers, Roel3, Noiray, Aude7, Abur, Defne3,5, Wieling, Martijn3
Source: Journal of Speech, Language & Hearing Research. Apr2026, Vol. 69 Issue 4, p1469-1489. 21p.
Subject Terms: *Articulation disorders, *Self-evaluation, *Intelligibility of speech, *Audiometry, *Experimental design, *Speech evaluation, *Speech perception, *Comparative studies, *Hearing, *Auditory perception, Drug therapy for Parkinson's disease, Vowels, Task performance, Research funding, Kinematics, Research evaluation, Questionnaires, Parkinson's disease, Descriptive statistics, Age distribution, Physiological aspects of speech, Psychology of movement, Tongue, Neuropsychological tests, Intraclass correlation, Data analysis software, Dopa, Disease complications
Abstract: Purpose: Individuals with Parkinson's disease (IwPD) frequently suffer from speech articulation impairments that result in reduced intelligibility. While some studies have previously investigated auditory feedback and feedforward mechanisms as potential explanations behind these impairments, they have done so using only acoustic measures, which may not be sensitive enough to capture small changes. The current study assessed the sensorimotor control of speech articulation in IwPD and control speakers (CS) by measuring both acoustic and kinematic responses to either predictable or unexpected errors in auditory feedback while participants were speaking. Method: We employed two formant perturbation tasks: a predictable (upward) vowel perturbation task and an unexpected (upward and downward) vowel perturbation task. A total of 33 IwPD on levodopa and 25 CS performed the tasks, while their speech was recorded acoustically with a microphone and kinematically with sensors placed on the tongue and the jaw. We analyzed acoustic (first and second formant frequencies) and kinematic (jaw and tongue height and backness) correlates of vowel perturbation task responses using generalized additive modeling. Results: In the predictable vowel perturbation task, IwPD and CS did not differ in their responses in kinematic or acoustic measures. In the unexpected vowel perturbation task, we found differences between the two groups in both acoustics and kinematics for the downward perturbation, but not for the upward perturbation. For the unexpected downward perturbation, IwPD responded more slowly and to a lesser degree than did CS when vowel trajectories were modeled using the second formant and kinematic tongue body height. Conclusions: IwPD showed a reduced ability to correct unexpected errors in auditory feedback both acoustically and kinematically but retained the ability to update their speech sensorimotor maps based on predictable errors in auditory feedback. This study expands on existing assessments of language- and speech-related impairments in Parkinson's disease by highlighting important potential differences in sensorimotor control of speech articulation. [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
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  Data: Kinematic and Acoustic Responses to Predictable and Unexpected Auditory Feedback Perturbations in Speakers With and Without Parkinson's Disease.
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  Data: <searchLink fieldCode="AR" term="%22Rebernik%2C+Teja%22">Rebernik, Teja</searchLink><relatesTo>1,2</relatesTo><i> teja.rebernik@cnrs.fr</i><br /><searchLink fieldCode="AR" term="%22Tienkamp%2C+Thomas%22">Tienkamp, Thomas</searchLink><relatesTo>3,4,5</relatesTo><br /><searchLink fieldCode="AR" term="%22Chaboksavar%2C+Sasha%22">Chaboksavar, Sasha</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Hoekzema%2C+Nikki%22">Hoekzema, Nikki</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Ciot%2C+Valentina%22">Ciot, Valentina</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Polsterer%2C+Katharina%22">Polsterer, Katharina</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Gleichman%2C+Annetje%22">Gleichman, Annetje</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Jonkers%2C+Roel%22">Jonkers, Roel</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Noiray%2C+Aude%22">Noiray, Aude</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Abur%2C+Defne%22">Abur, Defne</searchLink><relatesTo>3,5</relatesTo><br /><searchLink fieldCode="AR" term="%22Wieling%2C+Martijn%22">Wieling, Martijn</searchLink><relatesTo>3</relatesTo>
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  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, p1469-1489. 21p.
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose: Individuals with Parkinson's disease (IwPD) frequently suffer from speech articulation impairments that result in reduced intelligibility. While some studies have previously investigated auditory feedback and feedforward mechanisms as potential explanations behind these impairments, they have done so using only acoustic measures, which may not be sensitive enough to capture small changes. The current study assessed the sensorimotor control of speech articulation in IwPD and control speakers (CS) by measuring both acoustic and kinematic responses to either predictable or unexpected errors in auditory feedback while participants were speaking. Method: We employed two formant perturbation tasks: a predictable (upward) vowel perturbation task and an unexpected (upward and downward) vowel perturbation task. A total of 33 IwPD on levodopa and 25 CS performed the tasks, while their speech was recorded acoustically with a microphone and kinematically with sensors placed on the tongue and the jaw. We analyzed acoustic (first and second formant frequencies) and kinematic (jaw and tongue height and backness) correlates of vowel perturbation task responses using generalized additive modeling. Results: In the predictable vowel perturbation task, IwPD and CS did not differ in their responses in kinematic or acoustic measures. In the unexpected vowel perturbation task, we found differences between the two groups in both acoustics and kinematics for the downward perturbation, but not for the upward perturbation. For the unexpected downward perturbation, IwPD responded more slowly and to a lesser degree than did CS when vowel trajectories were modeled using the second formant and kinematic tongue body height. Conclusions: IwPD showed a reduced ability to correct unexpected errors in auditory feedback both acoustically and kinematically but retained the ability to update their speech sensorimotor maps based on predictable errors in auditory feedback. This study expands on existing assessments of language- and speech-related impairments in Parkinson's disease by highlighting important potential differences in sensorimotor control of speech articulation. [ABSTRACT FROM AUTHOR]
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  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.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=ehh&AN=192982172
RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1044/2025_JSLHR-24-00697
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      – Code: eng
        Text: English
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      – SubjectFull: Articulation disorders
        Type: general
      – SubjectFull: Self-evaluation
        Type: general
      – SubjectFull: Intelligibility of speech
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      – SubjectFull: Audiometry
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      – SubjectFull: Experimental design
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      – SubjectFull: Speech evaluation
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      – SubjectFull: Speech perception
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      – SubjectFull: Hearing
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      – SubjectFull: Auditory perception
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      – SubjectFull: Drug therapy for Parkinson's disease
        Type: general
      – SubjectFull: Vowels
        Type: general
      – SubjectFull: Task performance
        Type: general
      – SubjectFull: Research funding
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      – SubjectFull: Kinematics
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      – SubjectFull: Age distribution
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      – SubjectFull: Physiological aspects of speech
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      – SubjectFull: Dopa
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      – SubjectFull: Disease complications
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      – TitleFull: Kinematic and Acoustic Responses to Predictable and Unexpected Auditory Feedback Perturbations in Speakers With and Without Parkinson's Disease.
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