Andrea Ravignani, University of Vienna (IMAGE) University of Vienna Caption This is Andrea Ravignani, Ph.D. candidate at the Department of Cognitive Biology at the University of Vienna. Credit Photo private Usage Restrictions The image may only be used with appropriate caption or credit. 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.