distal 7q11.23 microdeletion syndrome (MONDO_0013393) is a rare chromosomal anomaly characterized by epilepsy, neurodevelopmental disorder variably including developmental delays and intellectual disabilities of variable severity, learning disability and neurobehavioral abnormalities (autism spectrum disorder, hyperactivity, impulsivity, aggression, self-abusive behaviors, depression). Also known as: chromosome 7q11.23 deletion syndrome, distal, 1.2mb, distal del(7)(q11.23), distal monosomy 7q11.23.