BRIAN KNUTSON is a professor of psychology and neuroscience at Stanford University and director of the Symbiotic Project on Affective Neuroscience. His research focuses on the neural basis of emotional experience and expression. He investigates the topic with a number of methods including self-report, measurement of nonverbal behavior, comparative ethology, psychopharmacology, and neuroimaging. His long-term goal is to understand the neurochemical and neuroanatomical mechanisms responsible for emotional experience, and to explore the implications of these findings for the assessment and treatment of clinical disorders as well as for economic behavior. Knutson has received Young Investigator Awards from the National Alliance for Research on Schizophrenia and Depression and the American Psychiatric Association, and is a fellow of the Academy for Behavioral Medicine Research as well as the Association for Psychological Science. He received BAs in experimental psychology and comparative religion from Trinity University, a PhD in experimental psychology from Stanford University, and has conducted postdoctoral research in affective neuroscience at UC-San Francisco and at the National Institutes of Health.