About the Authors

Mariska E. Kret

m.e.kret@fsw.leidenuniv.nl

Affiliations Leiden University, Institute of Psychology, the Cognitive Psychology Unit, Leiden, the Netherlands, Leiden Institute for Brain and Cognition (LIBC), Leiden, the Netherlands

Masaki Tomonaga

Affiliation Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: MEK. Data curation: MEK. Formal analysis: MEK. Funding acquisition: MT MEK. Investigation: MEK MT. Methodology: MEK MT. Project administration: MT MEK. Resources: MEK. Software: MEK MT. Supervision: MEK. Validation: MEK MT. Visualization: MEK. Writing – original draft: MEK. Writing – review & editing: MEK MT.