About the Authors

Katherine E. Powers

katherine.e.powers@dartmouth.edu

Affiliation Department of Psychological and Brain Sciences, Center for Cognitive Neuroscience, Dartmouth College, Hanover, New Hampshire, United States of America

Todd F. Heatherton

Affiliation Department of Psychological and Brain Sciences, Center for Cognitive Neuroscience, Dartmouth College, Hanover, New Hampshire, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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