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brain surgery on human patients intended to relieve severe and otherwise intractable mental or behavioral problems
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psychosurgery in which amygdaloid fibers that mediate limbic system activity are severed (in cases of extreme uncontrollable violence)
severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy)
surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes
a method of performing prefrontal lobotomy in which the surgical knife is inserted above the eyeball and moved to cut brain fibers
any surgical procedure involving the brain
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