1. Neural Information Processing Group, University of Tübingen, Tübingen, GermanyDepartment of Experimental and Biological Psychology, University of Potsdam, Germanyheiko.schuett@uni-tuebingen.dehttp://www.nip.uni-tuebingen.de
2. Neural Information Processing Group, University of Tübingen, Tübingen, GermanyBernstein Center for Computational Neuroscience, Tübingen, GermanyMax Planck Institute for Intelligent Systems, Tübingen, Germanyfelix.wichmann@uni-tuebingen.dehttp://www.nip.uni-tuebingen.de