1. Leibniz Institute for Primate Research Decision and Awareness Group, Cognitive Neuroscience Laboratory, German Primate Center, , Kellnerweg 4, Goettingen 37077 , Germany
2. University Medical Center Göttingen Department of Cognitive Neurology, , Robert-Koch-Str. 40, Goettingen 37075 , Germany
3. Université de Montréal Département de Neurosciences, Faculté de Médecine, , QC H3C 3J7 , Canada
4. DFG Center for Nanoscale Microscopy & Molecular Physiology of the Brain (CNMPB) , Robert-Koch-Str. 40, Göttingen 37075 , Germany
5. Leibniz ScienceCampus Primate Cognition , Kellnerweg 4, Goettingen 37077 , Germany