A lobotomy (from Greek λοβός (lobos) 'lobe' and τομή (tomē) 'cut, slice') or leucotomy is a discredited form of neurosurgical treatment for psychiatric disorder or neurological disorder (e.g. epilepsy, depression) that involves severing connections in the brain's prefrontal cortex. [1] The surgery severs most of the connections to and from the prefrontal cortex, and the anterior part of the frontal lobes of the brain. In the past, this treatment was used for handling psychiatric ... Lobotomy , surgical procedure in which the nerve pathways in a lobe or lobes of the brain are severed from those in other areas. The procedure was formerly used as a radical therapeutic measure to help patients with severe mental illness. It has since been superseded by medications and other therapies. Lobotomy , also known as leucotomy, is a discredited form of neurosurgery that involves severing parts off the brain's prefrontal cortex. It was created in 1935 by António Egas Moniz, a Portuguese neurologist. LOBOTOMY definition : 1. a medical operation in which cuts are made in or near the front part of the brain, used in the…. Learn more.