treatment of mental disorders by means of brain surgery.

Compare lobotomy.

Origin of psychosurgery

First recorded in 1935–40; psycho- + surgery
Related formspsy·cho·sur·geon [sahy-koh-sur-juh n] /ˌsaɪ koʊˈsɜr dʒən/, nounpsy·cho·sur·gi·cal [sahy-koh-sur-ji-kuh l] /ˌsaɪ koʊˈsɜr dʒɪ kəl/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for psychosurgery

ECT, EST, electrotherapy, psychosurgery

British Dictionary definitions for psychosurgery



any surgical procedure on the brain, such as a frontal lobotomy, to relieve serious mental disorders
Derived Formspsychosurgical (ˌsaɪkəʊˈsɜːdʒɪkəl), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

psychosurgery in Medicine




Brain surgery used to treat severe, intractable mental or behavioral disorders.
Related formspsy′cho•surgeon (-sûrjən) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.