So far, 11 genes, SCN1A,6SCN1B,7CACNA1H,8SLC2A1,9GABRG2,10CHD2,10SLC6A1,11STX1B,12GABRB3,13SYNGAP1,14 and WDR45,15 have been reported to be causative for MAE. The gene discussed is SCN1A; the disease is epilepsy with myoclonic atonic seizures.