| NOUN | act | psychosurgery | brain surgery on human patients intended to relieve severe and otherwise intractable mental or behavioral problems |
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| Meaning | brain surgery on human patients intended to relieve severe and otherwise intractable mental or behavioral problems. | |
|---|---|---|
| Narrower | amygdalotomy | psychosurgery in which amygdaloid fibers that mediate limbic system activity are severed (in cases of extreme / extreme uncontrollable violence) |
| callosotomy, callosectomy | severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy) | |
| lobotomy, leukotomy, leucotomy, prefrontal lobotomy, prefrontal leukotomy, prefrontal leucotomy, frontal lobotomy | Surgical interruption of nerve tracts to and from the frontal lobe of the brain | |
| Broader | brain surgery | Any surgical procedure involving the brain |
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