About the Authors

Katja Liebal

katja.liebal@fu-berlin.de

Affiliations Excellence Cluster “Languages of Emotion”, Department of Education and Psychology, Evolutionary Psychology, Freie Universität Berlin, Berlin, Germany, Department of Psychology, University of Portsmouth, Portsmouth, United Kingdom, Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

Amrisha Vaish

Affiliation Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

Daniel Haun

Affiliation Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

Michael Tomasello

Affiliation Department of Developmental and Comparative Psychology, 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: KL AV DH MT. Performed the experiments: KL AV. Analyzed the data: KL DH. Wrote the paper: KL AV DH MT. Provided access to research facilities: DH MT.