Spinocerebellar Ataxia, Autosomal Recessive 13, also known as autosomal recessive spinocerebellar ataxia 13, is related to spinocerebellar ataxia 13 and autosomal dominant cerebellar ataxia, and has symptoms including dysdiadochokinesis An important gene associated with Spinocerebellar Ataxia, Autosomal Recessive 13 is GRM1 (Glutamate Metabotropic Receptor 1), and among its related pathways/superpathways are Transmission across Chemical Synapses and Protein-protein interactions at synapses. Affiliated tissues include spinal cord and brain, and related phenotypes are intellectual disability and hyperreflexia