He teaches coursework in the areas of adult neurogenic language and cognitive-communication disorders, and directs the Language Rehabilitation and Cognition Laboratory in SHRS. He also holds clinical and research appointments within the VA Pittsburgh Healthcare System, where he conducts funded research. His primary research interest is in the role of cognition, affect, and other “extra-linguistic” factors in aphasia. He seeks to develop novel behavioral language interventions that address these factors by incorporating counseling principles and adaptive computer-based training.