Presenile dementia in abiotrophic disorders of the central nervous system.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002526:Cerebellar Diseases / Q000150:complications*; D002648:Child; D003704:Dementia / Q000150:complications*; D006801:Humans; D008607:Intellectual Disability / Q000150:complications; D008875:Middle Aged; D009440:Neurasthenia / Q000150:complications