Severe myoclonic epilepsy in infancy: clinical analysis and relation to SCN1A mutations in a Japanese cohort.

MeSH Terms: Body Temperature, Cohort Studies, Electroencephalography, Epilepsies, Myoclonic, Epilepsy, Reflex, Female, Genotype, Humans, Infant, Infant, Newborn, Japan, Male, Mental Disorders, Mutation, NAV1.1 Voltage-Gated Sodium Channel, Nerve Tissue Proteins, Phenotype, Sodium Channels, Treatment Outcome