About the Authors

Kurt Hammerschmidt

hammerschmidt@cog-ethol.de

Affiliation Cognitive Ethology Laboratory, German Primate Center, Göttingen, Germany

Konstantin Radyushkin

Affiliations Division of Clinical Neuroscience, Max-Planck-Institute of Experimental Medicine, Göttingen, Germany, Mouse Behavior Outcome Unit, Johannes Gutenberg University Mainz, Mainz, Germany

Hannelore Ehrenreich

Affiliation Division of Clinical Neuroscience, Max-Planck-Institute of Experimental Medicine, Göttingen, Germany

Julia Fischer

Affiliation Cognitive Ethology Laboratory, German Primate Center, Göttingen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KH KR JF. Performed the experiments: KH KR. Analyzed the data: KH. Contributed reagents/materials/analysis tools: KH KR HE. Wrote the paper: KH KR HE JF.