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prefrontal lobotomy
n. A lobotomy in which the white fibers that connect the thalamus to the prefrontal and frontal lobes of the brain are severed, formerly performed as a treatment for extremely violent behavior.
Prefrontal lobotomy
n : surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes [syn: lobotomy, leukotomy, leucotomy, prefrontal leukotomy, prefrontal leucotomy, frontal lobotomy]