1. Department of Computer Science and Engineering, Toyohashi University of Technology, Toyohashi, Aichi, Japan
2. tamura@cs.tut.ac.jp
3. Department of Experimental Psychology, Justus Liebig University Giessen, Giessen, Germany
4. konrad.e.prokott@psychol.uni-giessen.de
5. Center for Mind, Brain and Behavior (CMBB), University of Marburg and Justus Liebig University Giessen, Germany
6. roland.w.fleming@psychol.uni-giessen.de