Search Result for "amygdalotomy": 
Wordnet 3.0

NOUN (1)

1. psychosurgery in which amygdaloid fibers that mediate limbic system activity are severed (in cases of extreme uncontrollable violence); 



WordNet (r) 3.0 (2006):

amygdalotomy
    n 1: psychosurgery in which amygdaloid fibers that mediate
         limbic system activity are severed (in cases of extreme
         uncontrollable violence)