Developmental and Epileptic Encephalopathy 85 with or Without Midline Brain Defects, also known as epileptic encephalopathy, early infantile, 85, with or without midline brain defects, is related to developmental and epileptic encephalopathy 85. An important gene associated with Developmental and Epileptic Encephalopathy 85 with or Without Midline Brain Defects is SMC1A (Structural Maintenance Of Chromosomes 1A). Affiliated tissues include brain and eye, and related phenotypes are seizure and eeg abnormality