What measures can parents and advocates take to insure that people who have mental retardation live full, rewarding lives from infancy to old age?Understanding Mental Retardation explores a diverse group of disorders from their biological roots to the everyday challenges faced by this special population and their families. With parents and those who care for people who have mental retardation in mind, Patricia Ainsworth and Pamela C. Baker write in a style that is at once accessible, informative, and sympathetic to the concerns of those affected. The authors provide practical information that will assist families and other advocates in obtaining needed services. They discuss assessment and treatment, education and employment, social and sexual adjustment, as well as regulatory and legal issues. This book covers the causes of mental retardation, the signs and symptoms of the most common forms of these disorders, and issues of prevention. For the sake of comparison, the book describes