About the Authors
- Lucy G. Cheke, Elsa Loissel, Nicola S. Clayton
- Department of Experimental Psychology, University of Cambridge, Cambridge, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: LGC EL NSC. Performed the experiments: EL. Analyzed the data: LGC. Contributed reagents/materials/analysis tools: LGC NSC. Wrote the paper: LGC.