Developmental and Epileptic Encephalopathy 84, also known as jamuar syndrome, is related to spinocerebellar ataxia, autosomal recessive 12 and developmental and epileptic encephalopathy. An important gene associated with Developmental and Epileptic Encephalopathy 84 is UGDH (UDP-Glucose 6-Dehydrogenase). Affiliated tissues include brain and eye, and related phenotypes are seizure and delayed ability to sit