Jeffrey Swanson, Duke Medicine (IMAGE) Duke University Medical Center Caption This is Jeffrey Swanson, Ph.D., professor in psychiatry and behavioral sciences at Duke Medicine and lead author of the study. Credit Shawn Rocco/ Duke Medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.