Dr. Sylvie Graf, University of Bern (image) University of Bern Share Print E-Mail 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 Share Print E-Mail 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.