About the Authors

Noah C. Benson

Affiliations Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America, Department of Neurology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Jeremy R. Manning

Current address: Princeton Neuroscience Institute & Department of Computer Science, Princeton University, Princeton, New Jersey, United States of America

Affiliation Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

David H. Brainard

dhb@psych.upenn.edu

Affiliation Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NCB DHB. Performed the experiments: NCB. Analyzed the data: NCB DHB. Contributed reagents/materials/analysis tools: JRM. Wrote the paper: NCB DHB.