Research on language and communication development and intervention in persons with mental retardation has been conducted at a fast and furious pace during the

Language and communication problems have long figured prominently in the definition of mental retardation. Volume 27 of the International Review of Research in

International Review of Research in Mental Retardation is an ongoing scholarly look at research into the causes, effects, classification systems, syndromes, etc

This text provides speech and language therapists and language researchers with a state-of-the art review covering all aspects of speech and language developmen