What's Spasmodic Dysphonia? Spasmodic Dysphonia is a chronic voice disorder of unknown origin that is characterized by extreme and involuntary contractions of the laryngeal muscles during speech. Spasmodic Dysponia (or www radionics ie SD for short) manifests as excessive glottic closure or extended lateralization of the vocal folds. Should you loved this post and you want to receive more info regarding www radionics ie kindly visit the web-site. Spasmodic Dysphonia is a neurological disorder. Medical science doesn't know what the reason for this disorder is or how it occurs? There seems to be rising analysis that points to a problem in the feedback loop between the mind and the organ with the dystonia- in the case concerning the voice box. Your vocal folds will look regular and radionics 2212 operate nicely when you are not talking.