Intellectual disabilities can be difficult to detect in children prior to their school-age years. Throughout their lives, individuals with intellectual disabilities may require specialized care and support in order to lead healthy and fulfilled lives. The Handbook of Research on Diagnosing, Treating, and Managing Intellectual Disabilities is a pivotal reference source for the latest research on the effects of disabilities in intellectual functioning, examining the causes, treatment, and rehabilitation of such limitations in adaptive behavior. Highlighting empirical findings on the management of these disabilities throughout various stages of life, this publication is ideally designed for clinicians, researchers, special educators, social workers, and students actively involved in the mental health profession.