This volume presents current research and accepted good practice in the field of augmentative and alternative communication (AAC) systems. The authors give detailed information on the neurology of speech and language, and offer guidelines for the assessment of non-speaking children. The chapters discuss such topics as issues of prognosis for speech, timing of intervention, and the importance of working within a multidisciplinary framework. The central role of families and schools in the successful introduction and support of AAC for social communication and curriculum access is recognized,...