The Seventh Edition of Human Communication Disorders: An Introduction continues exploring the underlying nature of communication problems by explaining current theory and research while introducing students to the nuts and bolts of clinical therapy.The leading book on the market for introductory courses in communication disorders, Human Communication Disorders continues to cover a broad range of topics at a level appropriate for students. Experts in speech-language pathology and audiology place disorders in perspective, define basic theories of causation, introduce identifying characteristics, and present an overview of procedures for evaluation and treatment. Coverage of cultural and linguistic diversity as well as evidence-based practice reflects current trends in the discipline.Highlights of the Seventh Edition: Fully updated information covers the most recent research in the field. New chapters on genetics, literacy development and disorders, aural rehabilitation, dysphagia, and neurogenic speech disorders introduce students to these emerging areas of study. Shorter chapters written at an undergraduate, exploratory level make the material easier for beginning students to digest.Anderson, Noma B. is the author of 'Human Communication Disorders An Introduction', published 2005 under ISBN 9780205456222 and ISBN 0205456227.