premise: Although in both emotions sympathetic symptoms are present , different autonomic somatic patterns underlie aggression and <mask> , respectively , as indicated by the rate of the excretion of the catecholamines , the state of the muscle tone , and the Mecholyl test .
hypothesis: the proper context for <mask> here should be (psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panic