About the Authors

William D. Hopkins

whopkin@emory.edu

Affiliations Division of Developmental and Cognitive Neuroscience, Yerkes National Primate Research Center, Atlanta, Georgia, United States of America, Department of Psychology, Agnes Scott College, Decatur, Georgia, United States of America

Jared P. Taglialatela

Affiliations Division of Developmental and Cognitive Neuroscience, Yerkes National Primate Research Center, Atlanta, Georgia, United States of America, Department of Biology and Physics, Kennesaw State University, Kennesaw, Georgia, United States of America

Jamie L. Russell

Affiliation Division of Developmental and Cognitive Neuroscience, Yerkes National Primate Research Center, Atlanta, Georgia, United States of America

Talia M. Nir

Affiliation Division of Developmental and Cognitive Neuroscience, Yerkes National Primate Research Center, Atlanta, Georgia, United States of America

Jennifer Schaeffer

Affiliation Division of Developmental and Cognitive Neuroscience, Yerkes National Primate Research Center, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WDH. Performed the experiments: WDH JPT JR TN JAS. Analyzed the data: WDH JPT. Contributed reagents/materials/analysis tools: TN. Wrote the paper: WDH JPT.