1. The Department of Psychiatry (Tromp, Williams, Oler, Roseboom, Rogers, Alexander, Kalin), the Neuroscience Training Program (Tromp, Kalin), the Department of Medical Physics (Alexander), and the HealthEmotions Research Institute (Tromp, Williams, Oler, Roseboom, Kalin), University of Wisconsin, Madison; the Department of Psychology and the California National Primate Research Center, University of California, Davis (Fox); and the Section on Development and Affective Neuroscience, NIMH, Bethesda, Md. ...