Authors: Hsueh-Sheng Chiang1,2*, Raksha A. Mudar3, Christine S. Dugas2, Michael A. Motes2, Michael A. Kraut4, John Hart Jr.1,2Affiliations:1. Department of Neurology, University of Texas Southwestern Medical Center. 5303 Harry Hines Blvd 8th floor, Dallas, TX 75390, USA2. School of Behavioral and Brain Sciences, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080, USA3. Department of Speech and Hearing Science, University of Illinois Urbana-Champaign, 901 S 6th St, Champaign, IL 61820, USA4. Department of Radiology and Radiological Science, Johns Hopkins University. 1800 Orleans St. Baltimore, MD 21287, USA