Primary Cerebellar Degeneration, also known as cerebellar degenerations, primary, is related to friedreich ataxia and multiple system atrophy 1, and has symptoms including ataxia, cerebellar ataxia and myoclonus. An important gene associated with Primary Cerebellar Degeneration is ATXN1 (Ataxin 1). The drugs TA 0910 and Nootropic Agents have been mentioned in the context of this disorder. Affiliated tissues include cerebellum and cortex, and related phenotype is behavior/neurological.