About the Authors

Daniel A. Hackman

hackmanda@upmc.edu

Affiliation University of Pennsylvania, Department of Psychology, Center for Neuroscience and Society, Center for Cognitive Neuroscience, Philadelphia, Pennsylvania, United States of America

Laura M. Betancourt

Affiliation The Children's Hospital of Philadelphia, Division of Neonatology, Department of Pediatrics, Philadelphia, Pennsylvania, United States of America

Nancy L. Brodsky

Affiliation The Children's Hospital of Philadelphia, Division of Neonatology, Department of Pediatrics, Philadelphia, Pennsylvania, United States of America

Lara Kobrin

Affiliation University of Pennsylvania, Department of Psychology, Center for Neuroscience and Society, Center for Cognitive Neuroscience, Philadelphia, Pennsylvania, United States of America

Hallam Hurt

Affiliation The Children's Hospital of Philadelphia, Division of Neonatology, Department of Pediatrics, Philadelphia, Pennsylvania, United States of America

Martha J. Farah

Affiliation University of Pennsylvania, Department of Psychology, Center for Neuroscience and Society, Center for Cognitive Neuroscience, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DAH LMB NLB LK HH MJF. Performed the experiments: DAH LMB NLB LK. Analyzed the data: DAH. Contributed reagents/materials/analysis tools: DAH LMB NLB HH MJF. Wrote the paper: DAH LMB NLB.