title: Behavioral research on severe and profound mental retardation (1955--1974).
abstract: A bibliography of behavioral research on severe and profound mental retardation was presented and briefly summarized. The review documented a dramatic shift in thinking about this population that has occurred in the last 20 years.
mesh_terms: D001634:Bibliographies as Topic; D049673:History, 20th Century; D006801:Humans; D008607:Intellectual Disability / Q000266:history*; D012106:Research / Q000266:history*; D014481:United States