POST- WORKSHOP CONTRIBUTORS 
In preparing the chapters for the current volume, the editors drew from the papers submitted 
to the workshop and generated new material. Additional written material was generously 
contributed by those listed below: 
Chapter 2: Kathryn A.L. Bayne, Ph.D., D.V.M. 
Association for Assessment and Accreditation of Laboratory Animal Care, 
International 
Rockville, Maryland 
Allan I. Basbaum, Ph.D. 
Department of Anatomy 
University of California 
San Francisco, California 
Andrew A. Monjan, Ph.D. 
Division of Neuroscience and Neuropsychology of Aging 
National Institute on Aging 
Bethesda, Maryland 
Richard J. Ross, M.D., Ph.D. 
Department of Psychiatry 
University of Pennsylvania School of Medicine 
Philadelphia, Pennsylvania 
Larry Sanford, Ph.D. 
Department of Pathology and Anatomy 
Eastern Virginia Medical School 
Norfolk, Virginia 
Rita J. Valentino, Ph.D. 
Department of Pediatrics 
Children’s Hospital of Philadelphia 
Philadelphia, Pennsylvania 
Chapter 5: Larry D. Byrd, Ph.D. (retired) 
Yerkes Regional Primate Research Center 
Emory University 
Atlanta, Georgia 
ll 
