Handbook of Behavior Modification with the Mentally Retarded

Mental retardation has probably existed for as long as mankind has inhabited the earth. References to seemingly retarded persons appear in Greek and Roman literature. Examination of Egyptian mummies suggests that some may have suffered from diseases associated with mental retardation. Mohammed advocated feeding and housing those without reason. There is other evidence for favorable attitudes toward the retarded in early history, but attitudes var­ ied from age to age and from country to cou...