Learning, Speech and Thought in the Mentally Retarded

Learning, Speech and Thought in the Mentally Retarded contains the proceedings of Symposia 4 and 5 held at the Middlesex Hospital Medical School in London on October 31, 1969 and March 20, 1970, respectively, under the auspices of the Institute for Research into Mental Retardation. This monograph presents topical problems in mental retardation, with emphasis on learning processes, speech, and thought. The application of operant learning techniques to the development of language in the retarded i