Mutations in two family members, Potassium Voltage-Gated Channel Subfamily Q Member 2 (KCNQ2) and Potassium Voltage-Gated Channel Subfamily Q Member 3 (KCNQ3), have been correlated with inherited neonatal epilepsy, e.g., benign family neonatal convulsions. Here, KCNQ3 is linked to convulsion.