About the Authors

Arthur G. Shapiro

Arthur.Shapiro@american.edu

Affiliation Department of Psychology, American University, Washington, D.C., United States of America

Emily J. Knight

Affiliation Guggenheim 2 Mayo Graduate/Mayo Medical Schools, Rochester, Minnesota, United States of America

Zhong-Lin Lu

Affiliation Departments of Psychology and Biomedical Engineering, Neuroscience Graduate Program, University of Southern California, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AGS EJK ZL. Performed the experiments: AGS EJK. Analyzed the data: AGS EJK ZL. Wrote the paper: AGS EJK ZL.