Spinocerebellar Ataxia type 36 (SCA36), also known as “Costa da Morte ataxia” [18] and “Asidan ataxia” [19], is caused by a heterozygous expansion of the “GGCCTG” repeats within NOP56 intron (referred as “SCA36 expansion” throughout the text). The gene discussed is NOP56; the disease is spinocerebellar ataxia type 36.