Spasmodic Dysphonia, also known as abductor spastic dysphonia, is related to spinocerebellar ataxia 20 and dystonia 6, torsion. An important gene associated with Spasmodic Dysphonia is DAGLA (Diacylglycerol Lipase Alpha). The drugs Cholinesterase Inhibitors and Pyridostigmine Bromide have been mentioned in the context of this disorder. Affiliated tissues include brain and cortex.