Comparing the Effects of Sensory Tricks on Voice Symptoms in Patients With Laryngeal Dystonia and Essential Vocal Tremor.

IF 2.2 2区医学 Q1 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY Journal of Speech Language and Hearing Research Pub Date : 2025-04-08 Epub Date: 2025-02-27 DOI:10.1044/2024_JSLHR-24-00476

Kaitlyn Dwenger, Nelson Roy, Skyler G Jennings, Marshall E Smith, Pamela Mathy, Kristina Simonyan, Julie M Barkmeier-Kraemer

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Abstract

Purpose: This pilot study systematically compared voice symptomatology across varied sensory trick conditions in those with laryngeal dystonia (LD), those with essential vocal tremor (EVT), and vocally normal controls (NCs). Sensory tricks are considered signature characteristics of dystonia and were hypothesized to reduce voice symptoms in those with LD compared to EVT and NC groups.

Method: Five participants from each group (LD, EVT, and NC) completed speech recordings under control and sensory trick conditions (delayed auditory feedback [DAF], vibrotactile stimulation [VTS], and nasoendoscopic recordings with and without topical anesthesia). Comparisons between groups and conditions were made using (a) a paired-comparison paradigm (control vs. sensory condition) listener ratings of voice quality, (b) participant-perceived vocal effort ratings, and (c) average smoothed cepstral peak prominence (CPPS).

Results: Participants with EVT displayed significantly worse listener ratings under most sensory trick conditions, whereas participants with LD were rated significantly worse for DAF and VTS conditions only. However, participant vocal effort ratings were similar across all sensory trick conditions. Average CPPS values generally supported listener ratings across conditions and speakers except during DAF, wherein CPPS values increased (i.e., measurably improved voice quality), whereas listener ratings indicated worsened voice quality for both voice disorder groups.

Conclusions: Outcomes of this study did not support the hypothesized influences of sensory trick conditions on LD voice symptoms, with both LD and EVT groups experiencing worsened symptoms under VTS and DAF conditions. These adverse effects on voice symptoms warrant further research to further evaluate neural pathways and associated sensorimotor response patterns that distinguish individuals with LD and EVT.

Supplemental material: https://doi.org/10.23641/asha.28462292.

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感觉技巧对喉张力障碍和原发性声带震颤患者发声症状的影响比较。

目的：本初步研究系统地比较了喉张力障碍（LD）、原发性声带震颤（EVT）和声带正常对照（nc）患者在不同感觉障碍条件下的声音症状。感觉障碍被认为是肌张力障碍的特征，并且被假设与EVT和NC组相比，可以减轻LD患者的声音症状。方法：每组5名参与者（LD、EVT和NC）在控制和感觉欺骗条件下（延迟听觉反馈[DAF]、振动触觉刺激[VTS]和鼻内窥镜录音，有和没有表面麻醉）完成语音录音。各组和条件之间的比较采用(a)配对比较范式（对照与感觉条件）听者的声音质量评分，(b)参与者感知的声音努力评分，以及(c)平均平滑倒谱峰突出（CPPS）。结果：EVT参与者在大多数感官技巧条件下表现出明显较差的听众评分，而LD参与者仅在DAF和VTS条件下表现出显著较差的听众评分。然而，在所有感官戏法条件下，参与者的声音努力评级是相似的。平均CPPS值通常支持各种条件和说话者的听众评分，但DAF期间除外，其中CPPS值增加（即语音质量显着改善），而听众评分表明两种语音障碍组的语音质量都恶化了。结论：本研究的结果不支持感觉欺骗条件对LD声音症状影响的假设，在VTS和DAF条件下，LD和EVT组的症状都加重了。这些对声音症状的不利影响值得进一步研究，以进一步评估区分LD和EVT个体的神经通路和相关感觉运动反应模式。补充资料：https://doi.org/10.23641/asha.28462292。

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来源期刊

Journal of Speech Language and Hearing Research AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-REHABILITATION

CiteScore

4.10

自引率

19.20%

发文量

538

审稿时长

4-8 weeks

期刊介绍： Mission: JSLHR publishes peer-reviewed research and other scholarly articles on the normal and disordered processes in speech, language, hearing, and related areas such as cognition, oral-motor function, and swallowing. The journal is an international outlet for both basic research on communication processes and clinical research pertaining to screening, diagnosis, and management of communication disorders as well as the etiologies and characteristics of these disorders. JSLHR seeks to advance evidence-based practice by disseminating the results of new studies as well as providing a forum for critical reviews and meta-analyses of previously published work. Scope: The broad field of communication sciences and disorders, including speech production and perception; anatomy and physiology of speech and voice; genetics, biomechanics, and other basic sciences pertaining to human communication; mastication and swallowing; speech disorders; voice disorders; development of speech, language, or hearing in children; normal language processes; language disorders; disorders of hearing and balance; psychoacoustics; and anatomy and physiology of hearing.