About the Authors

Simon J. Greenhill

s.greenhill@auckland.ac.nz

Affiliations Department of Psychology, University of Auckland, Auckland, New Zealand, Computational Evolution Group, University of Auckland, Auckland, New Zealand

Alexei J. Drummond

Affiliation Computational Evolution Group, University of Auckland, Auckland, New Zealand

Russell D. Gray

Affiliation Department of Psychology, University of Auckland, Auckland, New Zealand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SJG AJD RG. Performed the experiments: SJG. Analyzed the data: SJG. Contributed reagents/materials/analysis tools: SJG AJD. Wrote the paper: SJG AJD RG.