American Academy of Clinical Neuropsychology (1996)

American Academy of Neurology (Associate Member, 1979)

American Psychological Association (Fellow, 1985; Member, 1978)

American Psychological Society (Charter Fellow, 1988)

American Pain Society (Charter Member, 1977)

Association of Postdoctoral Programs in Clinical Neuropsychology (Charter Member, 1992)

International Association for the Study of Pain (Charter Member, 1975)

International Brain Research Organization / World Federation of Neuroscientists (Member, 1985)

International Neuropsychological Society (Member, 1975)

Royal Society of Medicine, Section of Neurology (Affiliate Member, 1984)

Sigma Xi, The Scientific Research Society (Member, 1978)

Society for Neuroscience (Member, 1982)

Wisconsin Psychological Association (Member)

World Federation of Neurology (Associate Member, 1985)