McKay Moore Sohlberg, PhD, is a nationally recognized leader in the field of traumatic brain injury rehabilitation. For the past 16 years she has worked as a clinician, researcher, and administrator in the development of programs to assist individuals with brain injury to reintegrate into the community at maximal levels of independence. She has published numerous articles, chapters, and manuals on managing cognitive impairments following neurogenic insult. Dr. Sohlberg is currently an associate professor in the Communication Disorders and Sciences program at the University of Oregon. Catherine A. Mateer, PhD, is a board-certified clinical neuropsychologist with an extensive background in clinical assessment, clinical intervention, and both basic and applied research. She has published over 75 articles and book chapters and two previous books relating to brain organization for language, memory, and praxis, as well as to the assessment and management of acquired disorders of attention, memory, and executive functions. Dr. Mateer is widely known for her pioneering work in the rehabilitation of individuals who have sustained traumatic brain injury. She is currently a professor in the Department of Psychology and the Director of the Graduate Program in Clinical Psychology at the University of Victoria in British Columbia, Canada.