<unk>  is a severe form of epilepsy, responsible for roughly 10% of cases in children. It is a rare genetic disorder that affects an estimated 1 in every 20,000–40,000 births.
Dravet syndrome
Stratton Parker syndrome
De Barsy syndrome
Rett syndrome
Shapiro syndrome
Catel–Manzke syndrome
Benedikt syndrome
Huntington's disease-like syndrome