About the Authors

Steve Sapra

Affiliation Center for Neuroeconomics Studies, Claremont Graduate University, Claremont, California, United States of America

Laura E. Beavin

Affiliation Center for Neuroeconomics Studies, Claremont Graduate University, Claremont, California, United States of America

Paul J. Zak

paul.zak@cgu.edu

Affiliations Center for Neuroeconomics Studies, Claremont Graduate University, Claremont, California, United States of America, Department of Economics, Claremont Graduate University, Claremont, California, United States of America, Department of Neurology, Loma Linda University Medical Center, Loma Linda, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SS PZ. Performed the experiments: SS. Analyzed the data: SS LEB. Contributed reagents/materials/analysis tools: PZ. Wrote the paper: SS LEB PZ.