Neonatal Seizure Registry, GEnetics of Post-Neonatal Epilepsy

Inclusion Criteria: * Children \< 44 weeks postmenstrual age at seizure onset * Seizures due to an acute provoked cause (including, but not limited to HIE, ischemic stroke, or intracranial hemorrhage) * Parent(s) who are English or Spanish literate (with interpreter) * Birthdate between 3/1/2023 and 1/1/2011 * One biological parent willing to participate * Enrolled in NSR-II * Fulfilling all NSR-II eligibility criteria and evaluated at an NSR center for neonatal seizures or enrolled in NSR-RISE Exclusion Criteria: * Risk for adverse outcome independent of seizures and underlying brain injury (including but not limited to inborn errors of metabolism, fetal infection, brain malformation) * Transient cause for seizures (e.g., hypoglycemia without brain injury, hyponatremia, hypocalcemia) * Neonatal-onset epilepsy syndromes * Deceased