There are three different types of spasmodic dysphonia: mixed spasmodic dysphonia, abductor spasmodic dysphonia, and adductor spasmodic dysphonia. This voice disorder is rare but new research is being done every
Laryngeal dystonia (also commonly referred to as spasmodic dysphonia) is a neurological voice disorder characterized by involuntary adductor (towards the midline) or abductor (away from the midline) vocal fold spasms during phonation, which result in phonatory breaks and consequent articulatory speech ...
Related to Spasmodic dysphonia:Spasmodic torticollis dys·pho·ni·a (dĭs-fō′nē-ə) n. Difficulty in speaking, usually evidenced by hoarseness. [New Latin :dys-+ Greek-phōniā,-phony.] dys·phon′ic(-fŏn′ĭk)adj. American Heritage® Dictionary of the English Language, Fifth Ed...
Related to Spasmodic dysphonia: Spasmodic torticollisCategory filter: AcronymDefinition SD South Dakota (US postal abbreviation) SD San Diego SD Standard Definition (standard for digital video disk recorders) SD Super Duty (automobiles) SD Significantly Different SD Storage Device SD Seven Days (band)...
2 No neuropathologic changes have been found, and these disorders may be related to an imbalance in the dopamine pathway in the striatum. Other restricted dyskinesias include Meige's syndrome (blepharospasm), oromandibular dystonia (lip retraction and pursing), and spasmodic dysphonia (spasm with...
spasmodic dysphonia Laryngeal dystonia, spastic dysphonia Neurology A voice disorder characterized by spasmodic contraction of laryngeal muscles, which chokes off words as uttered, resulting in strained and strangled speech with breaks in rhythm; SD may be accompanied by other dystonias–eg, ...
Oromandibular dystonia can take a variety of forms, including forced tongue protrusion and jaw opening or closing, often with dysarthria and dysphagia. Spasmodic dysphonia is due to involuntary contraction of laryngeal muscles. Meige syndrome is blepharospasm with oromandibular dystonia. ...