About the Authors

Brian T. Harel

bharel@cogstate.com

Affiliation CogState, Ltd., New Haven, Connecticut, United States of America

Robert H. Pietrzak

Affiliation Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut, United States of America

Peter J. Snyder

Affiliation Department of Neurology, Alpert Medical School of Brown University, Providence, Rhode Island, United States of America

Elizabeth Thomas

Affiliation School of Behavioural Science, Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, Victoria, Australia

Linda C. Mayes

Affiliation Yale Child Study Center, Yale University School of Medicine, New Haven, Connecticut, United States of America

Paul Maruff

Affiliation Paul Maruff, CogState Ltd., Melbourne, Victoria, Australia

Competing Interests

The authors Harel and Maruff are employees of CogState, Ltd. CogState, Ltd., supplied the paired associate learning paradigm used in this study. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: PM ET. Performed the experiments: ET. Analyzed the data: BTH RHP PM. Wrote the paper: BTH RHP PJS ET LCM PM.