AdLD adductor laryngeal dystonia AVQI acoustic voice quality index BoNT botulinum neurotoxin CAPE-V consensus auditory-perceptual evaluation of voice CPPs smoothed cepstral peak prominence CSID cepstral-spectral index of dysphonia 1 Introduction Adductor laryngeal dystonia (AdLD) (previously termed “spasmodic dysphonia”) is a task-specific focal dystonia characterized by spasmodic hyperadduction of the vocal folds during speech, leading to voice disruptions, communication breakdown, and...