In most cases, between the age of 2 and 4 oculomotor signals are present. Between the age of 2 and 8, telangiectasias appears. Usually by the age of 10 the child needs a wheel chair. Individuals with<unk><unk>  cerebellum ataxia usually survive until their 20s; in some cases individuals have survived until their 40s or 50s.
Autosomal recessive cerebellar ataxia type 1
Autosomal recessive spastic ataxia of Charlevoix-Saguenay
Autosomal dominant cerebellar ataxia
Spinocerebellar ataxia type 6
Spinal muscular atrophy with lower extremity predominance 1
Benign hereditary chorea
Madras motor neuron disease
Spinocerebellar ataxia type 1