About the Authors

James M. Thom

Affiliation University of Cambridge, Department of Psychology, Cambridge, United Kingdom

Nicola S. Clayton

nsc22@cam.ac.uk

Affiliation University of Cambridge, Department of Psychology, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JMT NSC. Performed the experiments: JMT. Analyzed the data: JMT. Contributed reagents/materials/analysis tools: JMT NSC. Wrote the paper: JMT NSC.