Epilepsy is one of the most common neurological disorders and is characterized by abnormal electrical activity in the brain that leads to seizures. It is the fourth most common neurological condition and affects more than 65 million people worldwide. At least 3.4 million people in the U.S. are living with seizures, including 470,000 children. Epilepsy, and particularly childhood epilepsy, affect the individual, their families and communities.