RT Journal A1 Bolian GC T1 Expanding concepts in mental retardation: A symposium. JF Archives of General Psychiatry JO Archives of General Psychiatry YR 1969 FD August 1 VO 21 IS 2 SP 253 OP 253 DO 10.1001/archpsyc.1969.01740200125023 UL http://dx.doi.org/10.1001/archpsyc.1969.01740200125023 AB This volume presents a miscellany of 32 papers read at the Third Scientific Symposium of the Joseph P. Kennedy, Jr. Foundation held in Boston in 1966. A list of the eight sections in which the editor has arranged the contributions may serve as an adequate index of content:1. Genetics of Mental Retardation;2. Problems of Neurogenesis;3. Nutrition and the Development of Nervous Systems;4. Deprivation Factors in Mental Retardation;5. Biological Basis of Learning;6. Operant Techniques in Mental Retardation;7. Rehabilitation in Mental Retardation;8. Physical Performances of the Mentally Retarded.Authors include some of the most prominent individuals within their respective areas of research endeavor. Nevertheless, as the editor wisely acknowledges at the outset, a certain unevenness in the form and content of the various contributions could not be avoided.The Kennedy Foundation deserves special commendation for the enlarged scope