prefrontal leukotomy

prefrontal leukotomy (http://definr.com/prefrontal leukotomy)

     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 lobotomy, {prefrontal
         leucotomy}]