PRRT2-associated diseases are mainly paroxysmal kinesigenic dyskinesia (PKD) and paroxysmal hypnogenic dyskinesia (PHD) in adults and self-limited familial neonatal-infantile epilepsy or infantile convulsion and choreoathetosis (ICCA) in infants. Here, PRRT2 is linked to episodic kinesigenic dyskinesia 1.