About the Authors

Ben Eppinger

eppinger@mpib-berlin.mpg

Affiliations Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey, United States of America, Center for the Demography of Aging, Woodrow Wilson School of Public and International Affairs, Princeton University, Princeton, New Jersey, United States of America, Max-Planck Institute for Human Development, Berlin, Germany

Leigh E. Nystrom

Affiliation Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey, United States of America

Jonathan D. Cohen

Affiliations Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey, United States of America, Center for the Demography of Aging, Woodrow Wilson School of Public and International Affairs, Princeton University, Princeton, New Jersey, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BE LN JDC. Performed the experiments: BE. Analyzed the data: BE. Wrote the paper: BE LN JDC.