Febrile Seizures, Familial, 4, also known as feb4, is related to generalized epilepsy with febrile seizures plus and febrile seizures. An important gene associated with Febrile Seizures, Familial, 4 is ADGRV1 (Adhesion G Protein-Coupled Receptor V1), and among its related pathways/superpathways are Rett syndrome causing genes and mBDNF and proBDNF regulation of GABA neurotransmission. Related phenotypes are bilateral tonic-clonic seizure and atonic seizure