About the Authors

Esther Herrmann

eherrman@eva.mpg.de

Affiliation Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

Brian Hare

Affiliation Department of Evolutionary Anthropology and Center for Cognitive Neuroscience, Duke University, Durham, North Carolina, United States of America

Josep Call

Affiliation Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

Michael Tomasello

Affiliation Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EH BH JC MT. Performed the experiments: EH. Analyzed the data: EH. Contributed reagents/materials/analysis tools: EH. Wrote the paper: EH BH JC MT.