Spinocerebellar Ataxia 20, also known as spinocerebellar ataxia type 20, is related to aceruloplasminemia and autosomal dominant cerebellar ataxia, and has symptoms including myoclonus, palatal, action tremor and static tremor. An important gene associated with Spinocerebellar Ataxia 20 is SCA20 (Spinocerebellar Ataxia 20). Affiliated tissues include spinal cord and cerebellum, and related phenotypes are dysarthria and dysphonia