Martin Rolfs, Principal investigator (CV) Martin graduated from Potsdam University (Germany) and worked as a postdoc in Paris, New York, and Marseille before he assumed his new role of a principal investigator in Berlin in October 2012. He is now Heisenberg-Professor of Experimental Psychology: Active Perception and Cognition at Humboldt-Universität zu Berlin. He maintains a personal website. eMail: martin.rolfs@hu-berlin.de Tel: +49-30-2093-6775 Fax: +49-30-2093-6771