An exhilarating finale to the series on human behavior, this one concentrating on the ethical and scientific limitations on psychiatry and psychology. Drs. Valenstein and Blumer specialize in an area the public finds particularly frightening: surgically killing a portion of the brain that is causing intractable difficulties. EV: "Well, I think there has been a tremendous amount of concern because of the popularization of an idea that these techniques may have much greater application than to a few patients who are at the end of their rope, patients whom all psychiatric treatment, all physical therapies, all drugs have failed." ... WFB: "Suppose Willie Sutton said, 'I just don't want to rob banks. Can you do something to my brain that makes me not want to rob banks?'" DB: "Without making the patient into a vegetable?" WFB: "Yes." DB: "I don't think I could guarantee it."