Evidence for a Time-Invariant Phase Variable in Human Ankle Control

• Robert D. Gregg ,

  * E-mail: rgregg@ieee.org

  Affiliation Departments of Mechanical Engineering and Bioengineering, University of Texas at Dallas, Richardson, Texas, United States of America

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• Elliott J. Rouse,

  Affiliation Department of Media Arts and Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

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• Levi J. Hargrove,

  Affiliations Center for Bionic Medicine, Rehabilitation Institute of Chicago, Chicago, Illinois, United States of America, Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois, United States of America

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• Jonathon W. Sensinger

  Affiliation Institute of Biomedical Engineering and Department of Electrical and Computer Engineering, University of New Brunswick, Fredericton, New Brunswick, Canada

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