Jari Tiihonen, Karolinska Institutet (IMAGE) Karolinska Institutet Caption Jari Tiihonen, professor at the Department of Clinical Neuroscience, Karolinska Institutet, Sweden. Photo: Stefan Zimmerman. Credit Stefan Zimmerman 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.