Spinocerebellar Ataxia 19, also known as spinocerebellar ataxia 22, is related to spinocerebellar ataxia, autosomal recessive 22 and lichtenstein-knorr syndrome, and has symptoms including cerebellar ataxia, ataxia, truncal and gait ataxia. An important gene associated with Spinocerebellar Ataxia 19 is KCND3 (Potassium Voltage-Gated Channel Subfamily D Member 3). Affiliated tissues include spinal cord and cerebellum, and related phenotypes are cognitive impairment and cogwheel rigidity