Cerebellar Ataxia, Impaired Intellectual Development, and Dysequilibrium Syndrome 3, is also known as cerebellar ataxia and mental retardation with or without quadrupedal locomotion 3, and has symptoms including cerebellar ataxia and tremor. An important gene associated with Cerebellar Ataxia, Impaired Intellectual Development, and Dysequilibrium Syndrome 3 is CA8 (Carbonic Anhydrase 8). Affiliated tissues include cerebellum and brain.