Journal of speech, language, and hearing research : JSLHR最新文献

{"title":"Respiratory-Swallow Training in Head and Neck Cancer: Impact on Swallowing Safety and Efficiency.","authors":"Bonnie Martin-Harris, Kate Davidson, David McFarland","doi":"10.1044/2026_JSLHR-26-00075","DOIUrl":"10.1044/2026_JSLHR-26-00075","url":null,"abstract":"<p><strong>Purpose: </strong>This review article provides a programmatic translational synthesis of a research program investigating respiratory-swallow coordination as a modifiable physiologic target underlying swallowing impairment and safety, with a focus on individuals treated for head and neck cancer (HNC). The purpose is to synthesize physiologic evidence, clinical trial outcomes, and translational advances supporting respiratory-swallow training (RST) as a mechanism-based intervention.</p><p><strong>Method: </strong>Evidence is drawn from a series of experimental, observational, and interventional studies conducted over more than 3 decades. Methods include synchronized videofluoroscopy and respiratory measurement to characterize respiratory-swallow coordination, clinical trials evaluating RST across chronic and earlier recovery-stage HNC populations, and ongoing work incorporating wearable sensor technology and synchronous telehealth delivery to support ambulatory monitoring and home-based training. Data from Phase I, Phase II, and ongoing randomized efficacy trials are summarized to illustrate mechanistic and clinical effects of RST.</p><p><strong>Results: </strong>Across studies, swallowing was most safely and efficiently initiated during mid- to low-quiet (tidal) breathing expiratory lung volumes, whereas deviations from this pattern were associated with increased airway invasion and physiologic impairment. RST reliably increased expiratory-phase swallow initiation and was associated with improvements in swallowing impairment, airway protection, bolus clearance, functional oral intake, and patient-reported outcomes. Phases I and IIa trial data demonstrated significant reductions in physiologic impairment scores and penetration-aspiration severity following training.</p><p><strong>Conclusions: </strong>Collectively, these findings support respiratory-swallow coordination as a modifiable target for dysphagia rehabilitation that results in important physiologic and airway protection advantages. RST represents a mechanism-driven approach that extends beyond compensatory strategies and shows promise for scalable, technology-enabled delivery in both clinical and ambulatory settings. This work has implications for swallowing assessment, intervention, and future research across clinical populations.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"4625-4635"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13678537/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148868925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pediatric Auditory-Perceptual Evaluation of Voice Part I: Voice Stimuli for Children.","authors":"Robert Brinton Fujiki, Rebecca Johnson, Sijia Huang, Susan L Thibeault","doi":"10.1044/2026_JSLHR-25-00923","DOIUrl":"10.1044/2026_JSLHR-25-00923","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to develop and test standardized stimuli for the Pediatric Auditory-Perceptual Evaluation of Voice protocol. The use of these stimuli for cepstral/spectral voice measures was also considered.</p><p><strong>Method: </strong>Three sets of standardized sentences and four prompts designed to elicit connected speech were developed and tested in order to identify the most effective stimuli for use with children. One hundred forty children with (<i>n</i> = 50) and without (<i>n</i> = 90) benign vocal fold lesions recorded all potential stimuli, as well as the sentences developed for the adult Consensus Auditory-Perceptual Evaluation of Voice protocol. Sentences were evaluated for production accuracy, and cepstral/spectral voice measures were calculated to determine whether potential stimuli would separate dysphonic and normophonic voices. Spontaneous speech prompts were assessed for duration of speech sample elicited. Subsequently, auditory-perceptual voice assessments were performed using the newly developed pediatric stimuli. Production accuracy, cepstral/spectral voice measures, and auditory-perceptual rating reliability were compared across age, sex, and voice diagnosis.</p><p><strong>Results: </strong>Children produced pediatric sentences significantly more accurately than sentences developed for adults. The best produced sentence set resulted in over 80% accuracy across children 3 through 17 years of age. Cepstral peak prominence calculated on these sentences was significantly lower for children with voice disorders when compared to those with typical voices. Spontaneous speech prompts elicited an average of about 40 syllables of phonation over 25-30 s in children ≤ 6 years of age, and voice samples increased in duration for older children. Auditory-perceptual ratings of voice significantly separated children with and without voice disorders and produced reliability levels similar to those previously reported for adults.</p><p><strong>Conclusion: </strong>Findings indicate that the developed pediatric stimuli are effective for auditory-perceptual assessments across childhood and can be produced more accurately than sentences designed for adults.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"4702-4722"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13678533/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148765920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hearing Aid Benefit in Auditory Neuropathy Due to Friedreich Ataxia: A Case Report.","authors":"I Zay Melville, Alice H Smith, Gavin B Coad, Peter R Thorne, Richard H Roxburgh, Rachael L Taylor","doi":"10.1044/2026_JSLHR-25-00671","DOIUrl":"10.1044/2026_JSLHR-25-00671","url":null,"abstract":"<p><strong>Purpose: </strong>Friedreich ataxia is one of the most common recessively inherited ataxias, with hearing loss due to auditory neuropathy being a recognized complication. However, there are limited data on the best interventions for hearing loss in these patients. We report the significant behavioral and subjective benefits of binaural amplification in a patient with auditory neuropathy due to Friedreich ataxia.</p><p><strong>Method: </strong>Auditory function was assessed in a 44-year-old woman with genetically confirmed Friedreich ataxia using pure-tone audiometry, speech audiometry, and immittance testing, along with auditory evoked potentials. Auditory neuropathy spectrum disorder (ANSD) was diagnosed based on the presence of otoacoustic emissions or a cochlear microphonic, alongside an abnormal auditory brainstem response. Hearing aids were fitted bilaterally, and speech discrimination (in quiet and in noise) was assessed in unaided and aided conditions. Validated and patient-centered questionnaires assessed subjective hearing difficulties and fatigue before and after hearing aid fitting.</p><p><strong>Results: </strong>Behavioral and electrophysiological testing confirmed ANSD. Aided testing showed improved speech detection and discrimination for low-intensity sounds in quiet, although benefit in noise was limited. The patient experienced reduced fatigue and reported additional unique hearing benefits that extended beyond speech discrimination.</p><p><strong>Conclusions: </strong>Hearing aids have the potential to improve hearing, hearing-related quality of life, and fatigue in patients with Friedreich ataxia and auditory neuropathy, with benefits extending beyond speech discrimination. A trial with an amplification device should be considered for all adults with Friedreich ataxia and hearing loss due to ANSD, verified using subjective and behavioral assessments. Use of open-ended, patient-centered validation tools is recommended to capture the full scope of benefit.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"5051-5061"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148835747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical Reasoning Under Uncertainty in Speech-Language Pathology When Measures, Labels, and Best-Practice Claims Get Ahead of Evidence.","authors":"Salim Alani","doi":"10.1044/2026_JSLHR-25-01065","DOIUrl":"10.1044/2026_JSLHR-25-01065","url":null,"abstract":"<p><strong>Purpose: </strong>Speech-language pathologists often have to make consequential decisions with evidence that is incomplete, indirect, or mixed. The risk is not uncertainty itself, but the way an indirect measure, a familiar label, or a best-practice statement can begin to carry more interpretive weight than it can support. This tutorial focuses on the point where observations are turned into claims and claims are turned into recommendations.</p><p><strong>Method: </strong>The tutorial draws on scholarship in measurement and assessment showing that a score or result only has meaning through how it is interpreted and how it is used in practice. It also draws on clinical reasoning scholarship, including dual-process models, to support a decision rationale that is stated clearly, remains open to revision, and is tied to clear conditions for changing course.</p><p><strong>Results: </strong>Across swallowing, language assessment, and hearing health, the same patterns appear. Measures that are genuinely informative are read as more definitive than they are, and labels meant to support communication begin to function as explanations. The tutorial offers brief checkpoints that ask what the current observations support, what else they could reasonably mean, and what new information would change the decision.</p><p><strong>Conclusions: </strong>Clinical reasoning is stronger when observation and interpretation are kept separate, categories are used for communication rather than as explanations, and the evidence that would change a decision is named in advance. This tutorial supports evidence-based practice by making the reasoning trail visible while still respecting the need to act in real time.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"4653-4660"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148715200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intelligibility of Emotional Speech in Chinese Older Adults: Effects of Age-Related Hearing Loss.","authors":"Xinran Fan, Jing Zhang, Minhui Cai, Jiayi Wu, Runci Wang, Jingjing Guan, Hongwei Ding","doi":"10.1044/2026_JSLHR-25-00861","DOIUrl":"10.1044/2026_JSLHR-25-00861","url":null,"abstract":"<p><strong>Purpose: </strong>The intelligibility of speech with emotional prosody may decline with aging and hearing loss. In Mandarin Chinese, both lexical tone and emotional prosody rely on pitch variations, raising the possibility that emotional prosody modulates speech intelligibility. This study examined the effects of aging and age-related hearing loss on word recognition for Mandarin words spoken with different emotional prosodies.</p><p><strong>Method: </strong>Four groups participated: older adults with normal hearing (ONH; <i>n</i> = 35, 60-86 years of age), older adults with mild-moderate hearing loss (OHL; <i>n</i> = 22, 61-83 years of age), younger adults with normal hearing (YNH; <i>n</i> = 29, 18-20 years of age), and younger adults with simulated hearing loss (YSHL; <i>n</i> = 31, 19-28 years of age). Normal hearing was defined as a four-frequency pure-tone average (PTA4) ≤ 25 dB HL; OHL participants had a PTA4 of 25-40 dB HL. No participants used hearing aids. Stimuli were semantically neutral disyllabic words produced with five emotional prosodies (happiness, sadness, anger, fear, and neutrality), presented binaurally at a fixed level of 65 dB SPL.</p><p><strong>Results: </strong>Word recognition accuracy was significantly lower for OHL and YSHL than for ONH and YNH, and ONH performed worse than YNH. Neutral prosody yielded the highest word recognition accuracy, followed by sad prosody; happy, angry, and fearful prosodies produced lower word recognition accuracy. At the level of syllabic component, lexical tones were recognized most accurately, followed by finals and then initials. Among older adults, high-frequency pure-tone average was the only significant predictor of word recognition.</p><p><strong>Conclusions: </strong>Both aging and age-related hearing loss negatively impact emotional speech intelligibility in Mandarin. Lexical tones were more resilient than segmental components, and high-frequency hearing sensitivity was a key predictor of performance for older adults. These results underscore the importance of considering emotional prosody and tonal characteristics when assessing speech perception in aging populations.</p><p><strong>Supplemental material: </strong>https://doi.org/10.23641/asha.33106883.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"5062-5077"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148726979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluating the Validity of Visual Analog Scales for Measuring Intelligibility in Spontaneous Speech.","authors":"Nathaniel Cline, Kris Tjaden","doi":"10.1044/2026_JSLHR-26-00162","DOIUrl":"10.1044/2026_JSLHR-26-00162","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to investigate the relationship between orthographic transcription and visual analog scale (VAS) intelligibility ratings across read and spontaneous speech in speakers with Parkinson's disease (PD), speakers with multiple sclerosis (MS), and healthy controls.</p><p><strong>Method: </strong>Forty-four speakers (20 PD, 20 MS, four healthy controls) provided read speech samples from the Speech Intelligibility Test and spontaneous monologue samples. Speech samples were mixed with multitalker babble and presented to 131 crowdsourced naive listeners. Listeners were randomly assigned to orthographic transcription (<i>n</i> = 66) or VAS rating (<i>n</i> = 65) tasks. The relationship between measures was examined using linear regression and linear mixed-effects modeling.</p><p><strong>Results: </strong>Strong positive relationships between orthographic transcription and VAS were observed for both read speech (<i>R</i>² = .75) and monologue (<i>R</i>² = .72), with relationships remaining robust across all speaker groups (<i>R</i>² = .52-.76). Interactions between perceptual task and speech task or between perceptual task and speaker group were not significant. Read speech was approximately 4.3 percentage points more intelligible than monologue.</p><p><strong>Conclusions: </strong>VAS and orthographic transcription yielded strongly associated intelligibility estimates across speech tasks and speaker groups, supporting VAS as an efficient alternative to orthographic transcription in diverse clinical populations and speech contexts. Clinicians should note that VAS does not capture qualitative error information and may require more listeners to achieve comparable reliability. Future work should examine speakers with more severe dysarthria and establish clinically meaningful change thresholds for spontaneous speech.</p><p><strong>Supplemental material: </strong>https://doi.org/10.23641/asha.33345129.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"4794-4808"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148883334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Verbal Mediation During Shifting in School-Aged Children With Developmental Language Disorder.","authors":"Lauren S Baron, Kelsey B Black, Annika L Schafer, Asiya Gul, Annie B Fox, Yael Arbel","doi":"10.1044/2026_JSLHR-25-00790","DOIUrl":"10.1044/2026_JSLHR-25-00790","url":null,"abstract":"<p><strong>Purpose: </strong>Children with developmental language disorder (DLD) often exhibit deficits in executive function. These deficits may be linked to less effective verbal mediation or the use of self-directed language to guide task performance. This study examined the role of verbal mediation during an executive shifting task.</p><p><strong>Method: </strong>Twenty-seven children aged 8-12 years (15 with DLD, 12 with typical development [TD]) completed a cued local-global task with verbal mediation (baseline) and without (articulatory suppression). Shifting performance was measured as accuracy and reaction time. Trial-type contrasts for mixing costs (general task demands) and switching costs (trial-level shifting) were examined. Analyses controlled for age and selective attention.</p><p><strong>Results: </strong>Children with DLD responded more slowly than their peers with TD but achieved comparable accuracy. All children were slower and less accurate during articulatory suppression compared to baseline. A significant three-way interaction for accuracy indicated that mixing costs were larger for children with DLD than TD at baseline, but they were the same under articulatory suppression. Two-way interactions for reaction time indicated that mixing costs were larger in the DLD group than the TD group and larger during articulatory suppression than baseline.</p><p><strong>Conclusions: </strong>The detrimental effect of articulatory suppression was greater for children with TD than children with DLD, which suggests that language ability contributed to executive function task performance. Verbal mediation may play a larger role in sustaining task goals than in making trial-level switching decisions during shifting tasks. There is a need to further explore verbal mediation mechanisms contributing to executive function in DLD.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"5031-5043"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13678648/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148868921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pediatric Auditory-Perceptual Evaluation of Voice Part 2: A Protocol.","authors":"Robert Brinton Fujiki, Sijia Huang, Rebecca Johnson, Susan L Thibeault","doi":"10.1044/2026_JSLHR-25-00924","DOIUrl":"10.1044/2026_JSLHR-25-00924","url":null,"abstract":"<p><strong>Purpose: </strong>Although auditory-perceptual voice assessments are crucial for evaluating pediatric voices, no protocol designed for use with children has been established. This study created and validated the Pediatric Auditory-Perceptual Evaluation of Voice (PAPE-V) protocol for use across childhood. Influence of scale type and speaker demographics on voice rating reliability was considered.</p><p><strong>Method: </strong>Ten speech-language pathologists (SLPs) specialized in pediatric voice rated voice samples from 102 children aged 3-17 years with and without diagnosed voice disorders (47% female). SLPs were asked to rate each voice for overall voice quality, breathiness, roughness, strain, pitch, and loudness. Voices were rated twice across two separate sessions, with 20% of voices repeated to allow for the calculation of intrarater reliability. In each session, either visual analog scales (VASs) or Likert scales were utilized (order counterbalanced across raters). Interrater and intrarater reliabilities were compared across rating scales and child demographics using intraclass correlation coefficients (ICCs) and Krippendorff's alphas. SLPs' feedback regarding both scale types was also obtained.</p><p><strong>Results: </strong>Interrater and intrarater reliabilities were high across all conditions. For both scale types, ICCs were highest for overall voice quality (Likert ICC = .97, VAS ICC = .96) and lowest for pitch (Likert ICC = .82, VAS ICC = .78). Interrater reliability was significantly greater for children presenting with voice disorders than for children with healthy voices (<i>p</i> < .01). Interrater reliability also varied with age, and ratings for children younger than 6 years had significantly better interrater reliability than ratings for children 7-17 years old (<i>p</i> < .001). No significant differences in reliability were observed across scale type or sex. Clinicians indicated that Likert scales were more time efficient than VASs; however, either scale type could be used in the PAPE-V.</p><p><strong>Conclusions: </strong>The PAPE-V can be used to perform reliable auditory-perceptual voice assessments in children using either VAS or Likert scales. This protocol constitutes an important step in promoting the reliability and efficiency in pediatric voice assessments.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"4723-4737"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13678538/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148763769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of Caregiver Input and Dyadic Arrangement on Naturalistic Communication Sampling for Children With Neurogenetic Syndromes.","authors":"Olivia Boorom, Lisa R Hamrick, Katiana Estrada, Amanda Seidl, Bridgette Kelleher, Nancy Brady","doi":"10.1044/2026_JSLHR-25-00892","DOIUrl":"10.1044/2026_JSLHR-25-00892","url":null,"abstract":"<p><strong>Purpose: </strong>Natural communication samples are a useful tool for measuring social communication and language remotely via telehealth, particularly for children with low-incidence neurogenetic syndromes (NGS). The purpose of this study is to examine how dyadic factors (caregiver language input, dyadic positioning, and dyadic proximity) impact measures of social communication derived from remotely collected caregiver-child communication samples in children with and without NGS.</p><p><strong>Method: </strong>Participants included 72 young children and their caregivers (16 Angelman syndrome, 24 Down syndrome, 13 fragile X syndrome, and 19 low-likelihood controls). Participants completed a 10-min video-recorded play interaction with their caregiver in their home, and all video recordings were coded for social communication using the Communication Complexity Scale (CCS), dyadic positioning, and dyadic proximity. Caregiver language input was derived from Language Environment Analysis recordings of the 10-min play interaction. Moderated multiple regression analyses were used to determine whether dyadic interaction variables (positioning, proximity, and caregiver input) predicted CCS scores and whether these effects varied by NGS status.</p><p><strong>Results: </strong>More caregiver language input was associated with higher CCS scores in non-NGS dyads but not in NGS dyads, though there was no relationship between language input and CCS scores when controlling for developmental age. Dyadic positioning and proximity were not associated with CCS scores across the sample, though higher CCS scores were associated with more time spent at right angles or facing the caregiver in children who demonstrated primarily pre-intentional social communication skills.</p><p><strong>Conclusions: </strong>Results show that measurement of social communication using the CCS via remotely collected natural communication samples is robust to variability in dyadic factors. Developmental age should be considered when interpreting measures from remote communication samples, and procedures for optimal positioning should be considered for children with primarily pre-intentional social communication skills.</p><p><strong>Supplemental material: </strong>https://doi.org/10.23641/asha.33209097.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"5020-5030"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13678637/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148820925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Kinematic Features of Laryngeal Motor Control in Parkinson's Disease.","authors":"Dilys C Tan, Hasini R Weerathunge, Manuel Diaz-Cadiz, Cara E Stepp, Jenny Vojtech","doi":"10.1044/2026_JSLHR-26-00035","DOIUrl":"10.1044/2026_JSLHR-26-00035","url":null,"abstract":"<p><strong>Purpose: </strong>Laryngeal kinematics were examined under high-speed videoendoscopy to examine laryngeal motor control of persons with Parkinson's disease (PD).</p><p><strong>Method: </strong>A retrospective analysis was performed on 24 people with idiopathic PD and 24 age- and sex-matched controls as they produced repetitions of the utterance /ifi/ at self-induced levels of vocal effort (typical, mild, moderate, and maximum effort). Two kinematic measures of laryngeal motor control were measured during vocal fold adduction: spatiotemporal index (STI; adductory variability across repeated utterances) and asymmetry index (AI; ratio of deceleration to acceleration of adduction). Mixed-effects analysis of variance models were constructed to determine the main effects of group (PD, control), self-induced level of vocal effort, and their interaction.</p><p><strong>Results: </strong>Statistically significant main effects of group were found for STI, but not AI. No statistically significant effects of vocal effort level or its interaction with group were observed for either measure.</p><p><strong>Conclusions: </strong>Larger STIs in people with PD are consistent with the increased production variability observed in other speech articulators. Neither laryngeal kinematic measure was modulated by vocal effort level. These findings indicate that the STI was sensitive to differences in laryngeal motor control impairment between people with and without PD.</p>","PeriodicalId":520690,"journal":{"name":"Journal of speech, language, and hearing research : JSLHR","volume":" ","pages":"4851-4858"},"PeriodicalIF":2.2,"publicationDate":"2026-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13678646/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148805402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}