About the Authors

David Philip Arthur Craig

Affiliation Department of Psychology, Oklahoma State University, Stillwater, Oklahoma, United States of America

Christopher A. Varnon

Affiliation Department of Psychology, Oklahoma State University, Stillwater, Oklahoma, United States of America

Michel B. C. Sokolowski

Affiliation Department of Psychology, Université de Picardie Jules Verne, Amiens, Picardy, France

Harrington Wells

Affiliation Department of Biology, University of Tulsa, Tulsa, Oklahoma, United States of America

Charles I. Abramson

charles.abramson@okstate.edu

Affiliation Department of Psychology, Oklahoma State University, Stillwater, Oklahoma, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DPAC CIA. Performed the experiments: DPAC. Analyzed the data: DPAC CAV. Contributed reagents/materials/analysis tools: MBCS. Contributed to the writing of the manuscript: DPAC CAV MBCS HW CIA. Designed the software used in data collection: MBCS.