Journal of Speech Language and Hearing Research最新文献

{"title":"A Pilot Investigation on the Relationship Between Infant Vocal Characteristics at 12 Months and Speech Motor Impairment at 4-5 Years.","authors":"Helen L Long, Sydney Jensen, Katherine C Hustad","doi":"10.1044/2025_JSLHR-24-00340","DOIUrl":"https://doi.org/10.1044/2025_JSLHR-24-00340","url":null,"abstract":"<p><strong>Purpose: </strong>The objective of this pilot study was to investigate the relationship between infant vocal characteristics and later speech motor impairment in children at risk for cerebral palsy (CP) to inform the early prediction of speech motor impairment.</p><p><strong>Method: </strong>Vocal complexity, volubility, and consonant inventories of 13 infants at risk of CP were examined at approximately 12 months. We examined their association with later levels of speech motor impairment as measured by the Viking Speech Scale (VSS).</p><p><strong>Results: </strong>Children in our sample with greater speech motor impairment at age 4 years produced lower rates of developmentally complex vocalizations in infancy but showed no significant differences in vocal stage attainment, volubility, or consonant diversity.</p><p><strong>Conclusions: </strong>Our results are in line with trends found in prior literature examining vocal characteristics of infants at risk for speech motor involvement. These results can inform data-driven hypotheses in future studies aimed at the early prediction of speech motor impairment through the study of infant vocal production.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1-13"},"PeriodicalIF":2.2,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144016149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reliability and Diagnostic Accuracy of Semi-Automated and Automated Acoustic Quantification of Vocal Tremor Characteristics.","authors":"Youri Maryn, Kaitlyn Dwenger, Sidney Kaufmann, Julie Barkmeier-Kraemer","doi":"10.1044/2025_JSLHR-24-00467","DOIUrl":"https://doi.org/10.1044/2025_JSLHR-24-00467","url":null,"abstract":"<p><strong>Purpose: </strong>This study compared three methods of acoustic algorithm-supported extraction and analysis of vocal tremor properties (i.e., rate, extent, and regularity of intensity level and fundamental frequency modulation): (a) visual perception and manual data extraction, (b) semi-automated data extraction, and (c) fully automated data extraction.</p><p><strong>Method: </strong>Forty-five midvowel sustained [a:] and [i:] audio recordings were collected as part of a scientific project to learn about the physiologic substrates of vocal tremor. This convenience data set contained vowels with a representative variety in vocal tremor severity. First, the vocal tremor properties in intensity level and fundamental frequency tracks were visually inspected and manually measured using Praat software. Second, the vocal tremor properties were determined using two Praat scripts: automated with the script of Maryn et al. (2019) and semi-automated with an adjusted version of this script to enable the user to intervene with the signal processing. The reliability of manual vocal tremor property measurement was assessed using the intraclass correlation coefficient. The properties as measured with the two scripts (automated vs. semi-automated) were compared with the manually determined properties using correlation and diagnostic accuracy statistical methods.</p><p><strong>Results: </strong>With intraclass correlation coefficients between .770 and .914, the reliability of the manual method was acceptable. The semi-automated method correlated with manual property measures better and was more accurate in diagnosing vocal tremor than the automated method.</p><p><strong>Discussion: </strong>Manual acoustic measurement of vocal tremor properties can be laborious and time-consuming. Automated or semi-automated acoustic methods may improve efficiency in vocal tremor property measurement in clinical as well as research settings. Although both Praat script-supported methods in this study yielded acceptable validity with the manual data measurements as a referent, the semi-automated method showed the best outcomes.</p><p><strong>Supplemental material: </strong>https://doi.org/10.23641/asha.28873088.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1-20"},"PeriodicalIF":2.2,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144042893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"What Influences Parenting Stress? Examining Parenting Stress and Self-Efficacy Across Groups of Children With Autism Spectrum Disorder, at Risk of Developmental Language Disorder, and With Typically Developing Language.","authors":"Merve Dilbaz-Gürsoy, Ayşın Noyan-Erbaş, Halime Tuna Çak Esen, Ayşen Köse, Esra Özcebe","doi":"10.1044/2025_JSLHR-24-00672","DOIUrl":"https://doi.org/10.1044/2025_JSLHR-24-00672","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to examine whether there are differences in parenting stress levels and self-efficacy among children with autism spectrum disorder (ASD), at risk of developmental language disorder (rDLD), and with typically developing language (TDL). The study also investigated the children's language abilities and/or behavioral problems as potential predictors of parents' levels of stress and self-efficacy.</p><p><strong>Method: </strong>The study assessed children's language skills and behavioral problems as well as parental stress and self-efficacy in a sample of 2- to 4-year-old children with ASD (<i>n</i> = 35), rDLD (<i>n</i> = 35), and with TDL (<i>n</i> = 25).</p><p><strong>Results: </strong>The findings of the study revealed that parents of children with ASD experienced the highest level of parenting stress related to child characteristics and the lowest level of self-efficacy, whereas parents of children rDLD had higher parenting stress compared to parents of children with TDL. Furthermore, although behavioral problems were shown to be a predictor that explains parenting stress in all groups, expressive language was identified as a predictor only in the rDLD group. While parental self-efficacy was also found to be predicted by expressive language in the TDL group, it was discovered that self-efficacy affected parenting stress in parents of children with ASD and rDLD.</p><p><strong>Conclusions: </strong>These findings demonstrated that parental stress was a complex phenomenon impacted by several factors. This study may suggest the importance of interventions that aim to decrease parental stress and enhance self-efficacy, going beyond the children's language skills and behavioral problems.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1-14"},"PeriodicalIF":2.2,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144016327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development of Urdu Speech Audiometry Material for the Deaf and Hard of Hearing Community.","authors":"Sahar Rauf, Sarmad Hussain, Anam Amin, Shumaila Tanveer, Asma Jabeen","doi":"10.1044/2025_JSLHR-24-00118","DOIUrl":"https://doi.org/10.1044/2025_JSLHR-24-00118","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to develop standardized Urdu speech materials for assessing speech recognition threshold (SRT) and word recognition score (WRS) for clinical use in Pakistan.</p><p><strong>Method: </strong>The development of Urdu speech materials followed four key parameters: phonemic coverage, phonetic dissimilarity, familiarity with the participants, and homogeneity in terms of audibility. Bisyllabic words for SRT measurement and monosyllabic words for WRS measurement were selected. The most familiar 50 spondee words and 50 monosyllabic words were selected for the evaluation of SRT and WRS, respectively, in children with normal hearing. Thirty spondee words and 34 monosyllabic words with relatively steep and homogeneous psychometric function slopes were included in the final lists.</p><p><strong>Results: </strong>The mean psychometric function slope at the 50% threshold for the 30 selected spondee words was found to be 9.1%/dB, and for 34 monosyllabic words, it was found to be 6%/dB.</p><p><strong>Conclusions: </strong>Bisyllabic words for SRT measurement and monosyllabic words for WRS measurement were successfully developed and evaluated in Lahore, Pakistan. There is a need for the development of speech audiometry materials in other Pakistani languages.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1-15"},"PeriodicalIF":2.2,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144040327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigating the Effects of Speaking Rate on Spoken Language Processing in Children Who Are Deaf and Hard of Hearing.","authors":"Rosanne Abrahamse, Titia Benders, Katherine Demuth, Nan Xu Rattanasone","doi":"10.1044/2025_JSLHR-24-00108","DOIUrl":"https://doi.org/10.1044/2025_JSLHR-24-00108","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to investigate how hearing loss affects (a) spoken language processing and (b) processing of faster speech in school-age children who are deaf and hard of hearing (DHH).</p><p><strong>Method: </strong>Spoken language processing was compared in thirty-six 7- to 12-year-olds who are DHH and 31 peers with normal hearing using a word detection task. Children listened for a target word in sentences presented at a normal (4.5 syllables per second [syll./s]) versus fast (6.1 syll./s) speaking rate and pressed a key when they heard the word in the sentence. Response time was taken as an outcome measure. Relationships between working memory capacity, vocabulary size, and processing speed were also assessed.</p><p><strong>Results: </strong>Children who are DHH were slower than their peers with normal hearing to detect words in sentences, but no evidence for a negative effect of speaking rate was observed. Furthermore, contrary to expectation, a larger working memory capacity was associated with slower spoken language processing, with effects stronger for younger children with smaller vocabulary sizes.</p><p><strong>Conclusions: </strong>Regardless of speaking rate, children who are DHH may be at risk for delays in spoken language processing relative to peers with normal hearing. These delays may have consequences for their access to learning and communication in spoken forms in everyday environments, which contain additional challenges such as background noise, competing talkers, and speaker variability.</p><p><strong>Supplemental material: </strong>https://doi.org/10.23641/asha.28842611.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1-19"},"PeriodicalIF":2.2,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144057004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Maximum Vocal Pitch Elevation and Swallowing: A Secondary Data Analysis Supporting Additional Shared Biomechanics and Potential Treatment Targets.","authors":"Rachel Hahn Arkenberg, Samantha Mitchell, Anumitha Venkatraman, M Preeti Sivasankar, William G Pearson, Georgia A Malandraki","doi":"10.1044/2025_JSLHR-24-00749","DOIUrl":"https://doi.org/10.1044/2025_JSLHR-24-00749","url":null,"abstract":"<p><strong>Purpose: </strong>Reduced ability to raise vocal pitch has been associated with risk of aspiration in some populations. However, the mechanisms driving this association are understudied. This secondary data analysis aims to add to our knowledge on the shared and distinct biomechanics of swallowing and maximum vocal pitch elevation.</p><p><strong>Method: </strong>We used existing data from the study of Venkatraman et al. (2020) on 10 healthy younger (age range: 19-23, <i>M</i> = 21) and eight older (age range: 65-79; <i>M</i> = 73) adults who completed maximum pitch elevation and swallow tasks under videofluoroscopy. A MATLAB tracking tool and computational analysis of swallowing mechanics was used to analyze five elements of pharyngeal swallowing biomechanics (anterior and superior hyoid excursion, laryngeal elevation, pharyngeal shortening, tongue base retraction, head/neck extension). Canonical variate analysis (CVA) determined differences associated with task and age. Post hoc discriminant function analyses (DFAs) compared the events between tasks in each group.</p><p><strong>Results: </strong>CVA revealed that 63.9% of variance was accounted for by task (<i>D</i> = 3.46, <i>p</i> < .0001) and 35.5% by age (<i>D</i> = 1.92, <i>p</i> < .0001). Across age, DFAs indicated similar anterior hyoid excursion and laryngeal elevation between tasks, but greater superior hyoid excursion during swallows, replicating earlier findings. We also found greater base of tongue retraction during swallows than maximum pitch and greater pharyngeal shortening during maximum pitch elevation compared to swallows across groups (<i>D</i> = 5.38, <i>p</i> < .0001).</p><p><strong>Conclusions: </strong>Maximum pitch elevation and swallowing require similar anterior hyoid and laryngeal excursion. Added to the novel finding of greater pharyngeal shortening during pitch elevation, we indicate that pitch glides may be a mechanism for targeting pharyngeal dysphagia and warrant further investigation.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1-11"},"PeriodicalIF":2.2,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144031373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Temporal Sensitivity in Patients With Type 1 Diabetes Mellitus and Insights Into Their Everyday Auditory Performance.","authors":"Ozlem Topcu, Süleyman Nahit Sendur, Hilal Dincer D'Alessandro, Merve Ozbal Batuk, Gonca Sennaroglu","doi":"10.1044/2025_JSLHR-24-00554","DOIUrl":"https://doi.org/10.1044/2025_JSLHR-24-00554","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to investigate the effects of Type 1 diabetes mellitus (T1DM) on low-frequency (LF) pitch and speech-in-noise perception linked to temporal sensitivity and everyday auditory performance. The relationships between these outcomes and potential confounders, such as diabetes duration, glycemic control, and neuropathy, were also examined.</p><p><strong>Method: </strong>The participants consisted of 18 young patients with T1DM. They were matched with 18 healthy controls based on age, gender, and audiometric thresholds (up to 20 kHz). Measurements included behavioral measures of temporal sensitivity using the low-pass-filtered Word Stress Pattern (WSP-LPF) test and the Hearing in Noise Test (HINT), as well as self-reported measure using the Speech, Spatial and Qualities of Hearing Scale.</p><p><strong>Results: </strong>Patients with T1DM showed significantly poorer performance on both the WSP-LPF (<i>p</i> < .001), and HINT (<i>p</i> = .004) tests compared to healthy controls. Specifically, patients with T1DM showed impaired perception of lexical stress cued by LF pitch and required higher signal-to-noise ratios to effectively perceive speech in complex listening situations. Self-report measures indicated reduced hearing satisfaction in patients with T1DM (<i>p</i> = .001). Statistically significant correlations were found between WSP-LPF and diabetes duration (<i>p</i> = .021).</p><p><strong>Conclusions: </strong>The present findings reveal that T1DM negatively affects the perception of lexical stress and speech-in-noise performance, reflecting disruptions in temporal sensitivity. These impairments are present even in patients with normal audiometric thresholds, and addressing these deficits may be crucial for improving auditory function and developing targeted interventions.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1-14"},"PeriodicalIF":2.2,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144027915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing Perceptual Difficulty Across Speech Sound Categories and Contrasts to Optimize Minimal Pair Training.","authors":"Kristi Hendrickson, Nadine Lee, Elizabeth A Walker, Meaghan Foody, Philip Combiths","doi":"10.1044/2025_JSLHR-24-00254","DOIUrl":"https://doi.org/10.1044/2025_JSLHR-24-00254","url":null,"abstract":"<p><strong>Purpose: </strong>Utilizing psycholinguistic methods, this article aims to ascertain the perceptual difficulty associated with distinguishing between different speech sound categories and individual contrasts within those categories, with the ultimate goal of informing the use of minimal pair contrasts in perceptual training.</p><p><strong>Design: </strong>Using eye-tracking in the Visual World Paradigm, adults with normal hearing (<i>N</i> = 30) were presented with an auditory word and were required to identify the matching image from a selection of four options: the target word, two unrelated words, and a minimal pair competitor contrasting with the target word in word-final position in one of four categories (manner, place, voicing, nasality).</p><p><strong>Results: </strong>We measured fixations to minimal pair competitors over time and found that manner and place competitors exhibited greater competition compared to voicing and nasality competitors. Notably, within manner competitors, substantial differences in discrimination difficulty were observed among individual contrasts.</p><p><strong>Conclusions: </strong>Conventional views of speech sound perception have often grouped sounds into broad categories (manner, place, voicing, nasality), potentially overlooking the nuanced differences within these groupings, which significantly affect perception. This work is vital for advancing our understanding of speech perception and its mechanisms. Furthermore, this work will help to refine minimal pair treatment strategies in clinical contexts.</p><p><strong>Supplemental material: </strong>https://doi.org/10.23641/asha.28848446.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1-14"},"PeriodicalIF":2.2,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143994067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interarticulator Timing Relations Underlie the Production of Precise and Consistent Vocal Tract Constrictions During Speech.","authors":"Matthew Masapollo, Rosalie Gendron, Erin Wyndham, Ally Marcellus, Allen Shamsi, Nathan Maxfield","doi":"10.1044/2025_JSLHR-24-00535","DOIUrl":"https://doi.org/10.1044/2025_JSLHR-24-00535","url":null,"abstract":"<p><strong>Purpose: </strong>During speech production, complex patterns of coordinated movements between sets of articulators (e.g., jaw and tongue, jaw and lips) form precise and consistent constrictions at distinct locations along the vocal tract, despite rampant contextual variation. Speech motor control research seeks to uncover basic principles of organization governing interarticulator coordination during constriction formation, assuming many degrees of freedom for controlling articulator movements. This study tested the hypothesis that the motor system reduces degrees of freedom and facilitates coordination by reliably controlling interarticulator timing.</p><p><strong>Method: </strong>Ten talkers produced vowel-consonant-vowel (VCV) sequences, recorded using electromagnetic articulography, with variation in production rate and syllable stress. V was /ɑ/-/ɛ/, and C was alveolar /t/-/d/ or bilabial /p/-/b/. Timing relations between peak velocities of condition-specific sets of articulators were determined during oral closure and release for C: jaw, upper lip, and lower lip for bilabial constrictions and jaw and tongue tip for alveolar constrictions.</p><p><strong>Results: </strong>During oral closing, the timing of articulator peak velocities was tightly coupled across scalar changes in rate and stress, such that timing variation in one articulator was accompanied by proportional changes in the timing of another articulator. In contrast, the timing of peak velocities was less tightly coupled during subsequent oral opening. The timing of peak velocities was also more reliably differentiated by rate/stress condition during oral closing than opening, indicating that speech articulator movements are temporally coordinated primarily based on the part of movement related to constriction formation, rather than its subsequent release.</p><p><strong>Conclusion: </strong>Findings align with the view that stable interarticulator timing relations underlie the achievement of precise and consistent vocal tract constrictions during speech.</p><p><strong>Supplemental material: </strong>https://doi.org/10.23641/asha.28791872.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1-21"},"PeriodicalIF":2.2,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144043757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characterization of Vocal Motor Control Using Laryngeal Kinematics in Individuals With Hyperfunctional Voice Disorders.","authors":"Hasini R Weerathunge, Jenny Vojtech, Courtney J Dunsmuir, Sarah J Cocroft, Manuel E Díaz-Cádiz, Victoria McKenna, Cara E Stepp","doi":"10.1044/2025_JSLHR-24-00598","DOIUrl":"10.1044/2025_JSLHR-24-00598","url":null,"abstract":"<p><strong>Purpose: </strong>High-speed videoendoscopy was used to investigate how underlying laryngeal motor control strategies differ in individuals with and without hyperfunctional voice disorders (HVDs). Three laryngeal kinematic measures were defined to characterize laryngeal motor control: kinematic stiffness, spatiotemporal index, and asymmetry index.</p><p><strong>Method: </strong>Twenty-eight adults with HVDs and 28 age- and sex-matched controls produced repeated utterances of /ifi/ at three different gesture rates (50, 65, and 80 beats per minute) and three self-induced vocal effort levels (mild, moderate, and maximum effort) to elicit a range of linguistic contexts for the vocal targets produced. The glottal angle profiles of /ifi/ productions were extracted to calculate three kinematic measures of laryngeal motor control: kinematic stiffness (estimating laryngeal muscle tension), spatiotemporal index (estimating production variability), and asymmetry index (estimating movement asymmetry).</p><p><strong>Results: </strong>Individuals with HVDs exhibited statistically significantly higher kinematic stiffness during varying effort levels and higher spatiotemporal indices and asymmetry indices compared to controls, indicating higher laryngeal muscle tension, production variability, and movement asymmetry, respectively.</p><p><strong>Conclusion: </strong>Laryngeal kinematics suggest differing underlying motor control strategies in individuals with HVD relative to controls, which may inform better understanding of the etiology of HVDs.</p><p><strong>Supplemental material: </strong>https://doi.org/10.23641/asha.28550387.</p>","PeriodicalId":51254,"journal":{"name":"Journal of Speech Language and Hearing Research","volume":" ","pages":"1743-1757"},"PeriodicalIF":2.2,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143665328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}