NPCA is a syndrome and can have diverse causes. It has a genetic basis and inheritance is considered to be autosomal recessive. However, autosomal dominant variety has also been reported. There may be familial balanced translocation t(8;20)(p22;q13) involved.
Non-progressive congenital ataxia
Autosomal recessive cerebellar ataxia
Autosomal dominant cerebellar ataxia
Benign hereditary chorea
Spinal muscular atrophy with lower extremity predominance 1
Post viral cerebellar ataxia
Post-encephalitic parkinsonism
Spinocerebellar ataxia