
Laryngeal sensory abnormality has been implicated as a component of adductor laryngeal dystonia (AdLD). Therefore, the study objective was to assess laryngopharyngeal sensation in AdLD utilizing a calibrated, tactile aesthesiometer to deliver differential stimuli to lateral pyriform sinus (LPS), aryepiglottic fold (AEF), and false vocal fold (FVF). This is the first study to assess laryngopharyngeal sensation in AdLD objectively. Findings demonstrated increased laryngopharyngeal sensation in AdLD compared to controls. Identifying increased laryngeal hypersensitivity in these patients may improve understanding of AdLD pathophysiology and identify future targets for intervention.
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