Introduction to neurogenic communication disorders / Robert H. Brookshire, PhD, CCC/SLP, (deceased), Professor Emeritus, Department of Communication Sciences and Disorders, University of Minnesota, Minneapolis, Minnesota, Adjunct Professor, Department of Communication Sciences and Disorders, Northern Arizona University, Flagstaff, Arizona, Malcolm R. McNeil, PhD, CCC-SLP; BC-NCD, Consulting Editor, Distinguished Service Professor and Chair, Department of Communication Science and Disorders, University of Pittsburgh, Pittsburgh, Pennsylvania.