About the Authors
- Jingzhi Tan, Brian Hare
- Department of Evolutionary Anthropology, Duke University, Durham, North Carolina, United States of America
- Brian Hare
- Center for Cognitive Neuroscience, Duke University, Durham, North Carolina, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JT BH. Performed the experiments: JT BH. Analyzed the data: JT BH. Wrote the paper: JT BH.