Epilepsy, Progressive Myoclonic, 3, with or Without Intracellular Inclusions, also known as progressive myoclonic epilepsy type 3, is related to progressive myoclonus epilepsy 3, and has symptoms including ataxia, truncal and myoclonic seizures. An important gene associated with Epilepsy, Progressive Myoclonic, 3, with or Without Intracellular Inclusions is KCTD7 (Potassium Channel Tetramerization Domain Containing 7). Affiliated tissues include eye and skin, and related phenotypes are intellectual disability and dysarthria