About the Authors

Max Berniker

mbernike@northwestern.edu

Affiliation Department of Physical Medicine and Rehabilitation, Northwestern University and Rehabilitation Institute of Chicago, Chicago, Illinois, United States of America

Megan K. O’Brien

Affiliation Department of Mechanical Engineering, University of Colorado Boulder, Boulder, Colorado, United States of America

Konrad P. Kording

Affiliation Department of Physical Medicine and Rehabilitation, Northwestern University and Rehabilitation Institute of Chicago, Chicago, Illinois, United States of America

Alaa A. Ahmed

Affiliations Department of Mechanical Engineering, University of Colorado Boulder, Boulder, Colorado, United States of America, Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MB AAA. Performed the experiments: MKO AAA. Analyzed the data: MB AAA. Wrote the paper: MB KPK AAA.