Dr. Sylvie Graf, University of Bern (IMAGE) University of Bern Caption Study author Dr. habil. Sylvie Graf, Institute of Psychology, Social Psychology and Social Neuroscience, University of Bern. Credit Courtesy of Sylvie Graf 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.