P0636900 (sī′kō-sûr′jə-rē)n.pl.psy·cho·sur·ger·ies Brain surgery used to treat severe, intractable mental or behavioral disorders.psy′cho·sur′geon(-sûr′jən) n.psy′cho·sur′gi·cal(-jĭ-kəl) adj.
psychosurgeon
(ˈsaɪkəʊˌsɜːdʒən) n (Surgery) surgery a surgeon who specializes in psychosurgery EncyclopediaSeepsychosurgery