Jan Mulder (IMAGE) Karolinska Institutet Caption Jan Mulder, researcher at the Department of Neuroscience, Karolinska Institutet, Sweden. Photo: Jan Mulder Credit Jan Mulder Usage Restrictions The photo may only be used in connection to reports about this study. 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.