of social neuroscience and cofounded the Institute for Mind and Biology to support multilevel integrative analyses of social behavior. His current research focuses on the mechanisms underlying affect and emotion and the cognitive and neural substrates of racial prejudice.

RICHARD J. DAVIDSON is the William James and Vilas Research professor of psychology and psychiatry at the University of Wisconsin-Madison, where he directs the W.M. Keck Laboratory for Functional Brain Imaging and Behavior. His research is focused on the neural substrates of emotion and disorders of emotion, and he is an expert on the use of psychophysiological and brain imaging measures to study emotion.

PAUL EKMAN is professor of psychology at the University of California, San Francisco. His areas of expertise are deception and demeanor and emotional expression. He is the author or editor of 13 books and has been the recipient of a Senior Scientist Award (Career Award) from the National Institute for Mental Health. He received the American Psychological Association’s highest award for basic research, the Distinguished Scientific Contribution Award, a Doctor of Humane Letters from the University of Chicago, and was named William James Fellow by the American Psychological Society.

DAVID L. FAIGMAN is a professor of law at the University of California, Hastings College of the Law. He received both his M.A. (psychology) and J.D. degrees from the University of Virginia. He writes extensively on the law’s use of science and constitutional law. His books include Legal Alchemy: The Use and Misuse of Science in the Law, and he is a coauthor of the four-volume treatise, Modern Scientific Evidence: The Law and Science of Expert Testimony. The treatise has been cited widely by courts, including several times by the U.S. Supreme Court. He lectures regularly to state and federal judges on issues concerning science and the law.

PATRICIA L. GRAMBSCH is associate professor of biostatistics in the School of Public Health, University of Minnesota. Her research expertise includes stochastic processes and mathematical modeling, with emphasis on time-to-event data. Her clinical collaborations involve clinical trials for chronic disease treatments and preventions. She is a fellow of the American Statistical Association.

PETER B. IMREY is a staff member of the Department of Biostatistics and Epidemiology, Cleveland Clinic Foundation, having previously been a professor in the Departments of Statistics and Medical Information Sciences, University of Illinois at Urbana-Champaign. His research includes