About the Authors

Jun Izawa

jizawa@jhu.edu

Affiliations Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America, Department of Human Media Systems, The University of Electro-Communication, Chofu, Tokyo, Japan

Reza Shadmehr

Affiliation Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JI RS. Performed the experiments: JI. Analyzed the data: JI. Contributed reagents/materials/analysis tools: RS. Wrote the paper: JI RS.