1. Department of Psychology, University of Nebraska, Omaha, Nebraska;
2. Center for Magnetoencephalography, University of Nebraska Medical Center, Omaha, Nebraska;
3. Department of Physical Therapy, Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha, Nebraska;
4. Neurology Consultants of Nebraska, Omaha, Nebraska;
5. Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, Nebraska; and
6. Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, Nebraska