William "Bill" Gehring (born December 20, 1962) is a psychologist, and in 2014 is the Arthur F. Thurnau Professor of Psychology at the University of Michigan in Ann Arbor, Michigan.[1][2] He researches Event Related Potentials and is one of the discoverers of the Error Related Negativity.[3] He has made contributions to the field of cognitive neuroscience through his studies on the electrophysiological markers of obsessive-compulsive disorder.