PRRT2 and episodic kinesigenic dyskinesia 1: PRRT2 has been identified as the causative gene for a spectrum of paroxysmal neurological disorders including mainly Benign Familial Infantile Epilepsy, Paroxysmal Kinesigenic Dyskinesia (PKD), and Paroxysmal Kinesigenic Dyskinesia with Infantile Convulsions, with fewer patients presenting with episodic ataxia or hemiplegic migraine (Doring et al., 2020; Riant et al., 2022).