About the Authors

Jeroen Bert Smaers

jbs32@cam.ac.uk

Affiliation Leverhulme Centre for Human Evolutionary Studies, Department of Biological Anthropology, University of Cambridge, Cambridge, United Kingdom

Axel Schleicher

Affiliation Cécile and Oskar Vogt Institute for Brain Research, Heinrich-Heine-University, Düsseldorf, Germany

Karl Zilles

Affiliation Cécile and Oskar Vogt Institute for Brain Research, Heinrich-Heine-University, Düsseldorf, Germany

Lucio Vinicius

Affiliation Leverhulme Centre for Human Evolutionary Studies, Department of Biological Anthropology, University of Cambridge, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JBS AS KZ. Performed the experiments: JBS. Analyzed the data: JBS LV. Contributed reagents/materials/analysis tools: JBS AS KZ. Wrote the paper: JBS LV.