This tenth edition of the Research Directory of the Rehabilitation Research and Training (RT) Centers reports the FY 1980 research activities of twenty-one RT Centers (11 medical, 3 vocational, 3 mental retardation, 2 deafness, 1 blindness, and 1 mental health). The 266 abstracts are organized under the RT Centers located at these institutions: New York University (2), University of Minnessota, University of Washington, Baylor College of Medicine, Emory University, Tuffs University, Temple University, The George Washington University, University of Colorado, University of Wisconsin, University of Arkansas, West Virginia University, University of Oregon, University of Alabama in Birmingham, Northwestern University, Texas Tech University, University of Wisconsin-Stout, University of California/San Francisco, University of North Carolina at Chapel Hill, Boston University. Preceding the abstracts under each RT Center are listings of the center's core areas of research, and completed, continuing, new, discontinued, and proposed projects. Core area descriptions of four new RT Centers (1 mental illness, 1 independent living, 2 aged handicapped persons) are also provided. Each abstract includes objectives, methodology, findings, and applicability. The name of the principal investigator, status of the research activity, and relevant fiscal data are included in bolder type. A subject index and principal investigator's index are provided. (YLB)