Developmental and Epileptic Encephalopathy 92, is also known as epileptic encephalopathy, infantile or early childhood, 2. An important gene associated with Developmental and Epileptic Encephalopathy 92 is GABRB2 (Gamma-Aminobutyric Acid Type A Receptor Subunit Beta2). Affiliated tissues include brain, and related phenotypes are seizure and epileptic encephalopathy