SCA13 is typified by early onset, mildly progressive cerebellar ataxia with accompanying dysarthria, mental retardation, and nystagmus. Symptoms and age of onset can vary slightly according to the causative mutation.
Spinocerebellar ataxia type-13
Spinocerebellar ataxia type 6
Spinocerebellar ataxia type 1
Autosomal recessive cerebellar ataxia type 1
Jokela type spinal muscular atrophy
Autosomal recessive spastic ataxia of Charlevoix-Saguenay
Friedreich's ataxia
Stratton Parker syndrome