The aims of this study were to subjectively and quantitatively analyze vocal tremor (VT) in patients with adductor laryngeal dystonia (ADLD) using video feature tracking of stroboscopic laryngoscopy recordings, to observe the VT incidence and characterize tremor directionality and kinematic parameters, and to identify differences between the patients with intermittent dystonia tremor (iDT) and regular dystonia...
✦ The floor
Discussion
Signed responses from readers of the wire.
No actionable change for audiologists — this study is relevant to voice pathologists and laryngologists, not hearing care practice.
Improved objective measurement of vocal tremor in laryngeal dystonia could advance diagnostic consistency in voice clinics, but the findings have negligible direct impact on audiology practice.
- 01Study applies video feature-tracking technology to quantify vocal tremor in adductor laryngeal dystonia patients.
- 02Both subjective listener ratings and objective measurements of tremor were compared.
- 03Published in the Journal of Speech, Language, and Hearing Research (JSLHR).
- 04Primary relevance is to voice disorders and speech-language pathology, not audiology.
- 05Findings could inform more standardized clinical assessment tools for vocal tremor.
Video feature tracking can quantitatively assess vocal tremor in patients with adductor laryngeal dystonia.
studypartially supported- PMID
- 42832386
- DOI
- 10.1044/2026_JSLHR-25-00990.
- Journal
- Journal of Speech, Language, and Hearing Research
- Publication type
- research_article
- Evidence level
- 4
- Population
- Patients diagnosed with adductor laryngeal dystonia
- Intervention
- Video feature tracking for vocal tremor quantification
- Comparator
- Subjective perceptual ratings of vocal tremor
Primary outcomes
Quantitative vocal tremor measurements via video feature tracking; Agreement between subjective and quantitative tremor assessments