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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.


(Surgery) any surgical procedure on the brain, such as a frontal lobotomy, to relieve serious mental disorders
psychosurgical adj


(ˌsaɪ koʊˈsɜr dʒə ri)

treatment of mental disorders by means of brain surgery.
psy`cho•sur′geon (-dʒən) n.
psy`cho•sur′gi•cal (-dʒɪ kəl) adj.


the use of brain surgery to treat mental disorders. — psychosurgeon, n.
See also: Brain
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.psychosurgery - brain surgery on human patients intended to relieve severe and otherwise intractable mental or behavioral problems
brain surgery - any surgical procedure involving the brain
amygdalotomy - psychosurgery in which amygdaloid fibers that mediate limbic system activity are severed (in cases of extreme uncontrollable violence)
callosectomy, callosotomy - severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy)
frontal lobotomy, leucotomy, leukotomy, lobotomy, prefrontal leucotomy, prefrontal leukotomy, prefrontal lobotomy - surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes


[ˌsaɪkəʊˈsɜːdʒərɪ] Npsicocirugía f
References in periodicals archive ?
Moreover, the first neurosurgical trepanation of the skull, performed for psychosurgical purposes, was carried out in 1 500 B.
the psychopathology hospitals in the 1920s, or the convulsive and psychosurgical treatments of the 1940s and 1950s, or the drug treatments of the 1960s and 1970s, or the "community treatments" [read "drug treatments in the community"] of the 1980s and 1990s) set the stage for widespread disillusionment with each contemporary approach and for enthusiastic welcome of the next promising treatment.
The ethics of psychosurgical intervention oscillates around two relates issues: distinguishing the cure of behavioral pathology from unjustified behavior control, and determining a psychiatric patient's authority to refuse (or consent to) this kind of treatment.