About the Authors

Stephen Layfield

Affiliation University of Alabama at Birmingham Department of Biology, Birmingham, Alabama, United States of America

Wesley Burge

Affiliation University of Alabama at Birmingham Department of Psychology, Birmingham, Alabama, United States of America

William Mitchell

Affiliation University of Alabama at Birmingham Department of Neuroscience, Birmingham, Alabama, United States of America

Lesley Ross

Affiliation The Pennsylvania State University, Department of Human Development and Family Studies, State College, Pennsylvania, United States of America

Christine Denning

Affiliation University of Alabama at Birmingham Department of Biomedical Engineering, Birmingham, Alabama, United States of America

Frank Amthor

Affiliation University of Alabama at Birmingham Department of Psychology, Birmingham, Alabama, United States of America

Kristina Visscher

kristina.visscher@gmail.com

Affiliation University of Alabama at Birmingham Department of Neurobiology, Birmingham, Alabama, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WKB KMV LAR FRA WGM. Performed the experiments: WGM SJL CRD WKB. Analyzed the data: SJL WGM KMV. Contributed reagents/materials/analysis tools: KMV LAR. Wrote the paper: SJL LAR KMV. Revised it critically for important intellectual content: KMV LAR WKB WGM CRD FRA.