About the Authors

Wei Zhao

weizhao2008@u.northwestern.edu

Affiliations Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, Northwestern University, Evanston, Illinois, United States of America, Interdepartmental Neuroscience Program, Northwestern University, Evanston, Illinois, United States of America

Sumitrajit Dhar

Affiliations Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, Northwestern University, Evanston, Illinois, United States of America, Interdepartmental Neuroscience Program, Northwestern University, Evanston, Illinois, United States of America, Hugh Knowles Center, Northwestern University, Evanston, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WZ SD. Performed the experiments: WZ. Analyzed the data: WZ SD. Wrote the paper: WZ SD.