Cerrahpasa Medical School, University of Istanbul 1 article published in JoVE Neuroscience Fiber Connections of the Supplementary Motor Area Revisited: Methodology of Fiber Dissection, DTI, and Three Dimensional Documentation Baran Bozkurt1, Kaan Yagmurlu2, Erik H. Middlebrooks3, Zuzan Cayci4, Orhun M. Cevik1, Ali Karadag5, Sean Moen1, Necmettin Tanriover6, Andrew W. Grande1 1Department of Neurosurgery, University of Minnesota, 2Department of Neurosurgery, Barrow Neurological Institute, St. Josephs Hospital and Medical Center, 3Department of Radiology, University of Alabama at Birmingham, 4Department of Radiology, University of Minnesota, 5Department of Neurosurgery, Tepecik Training and Research Hospital, 6Department of Neurosurgery, Cerrahpasa Medical School, University of Istanbul The purpose of this study is to show each step of the fiber dissection technique on human cadaveric brains, the 3D documentation of these dissections, and the diffusion tensor imaging of the anatomically dissected fiber pathways.