About the Authors
- Jeroen Bert Smaers, Lucio Vinicius
- Leverhulme Centre for Human Evolutionary Studies, Department of Biological Anthropology, University of Cambridge, Cambridge, United Kingdom
- Axel Schleicher, Karl Zilles
- Cécile and Oskar Vogt Institute for Brain Research, Heinrich-Heine-University, Düsseldorf, Germany
The authors have declared that no competing interests exist.
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.