Communication Sciences and Disorders: From Science to Clinical Practice, Fourth Edition is the ideal introductory text for undergraduate students enrolled in their first course in communication sciences and disorders. Written by experts in the field, this text contains fundamental information about speech disorders that are related to impairments in articulation, voice, and fluency, while providing the essential information on the speech, language, and hearing sciences combined with practical information about assessment and intervention practices. This new edition provides readers with a wide-angle view of communication disorders, covering the variety of topics that speech, language, and hearing scientists study, and the variety of individuals that Audiologists and Speech-Language Pathologists treat. Topics are methodically organized to match the flow of the introductory course, beginning with an overview of the professions, the nature of communication across the life span, and social-cultural issues that affect communication and communication disorders. Section Two examines the variety of speech disorders, including chapters focusing on speech sound disorders in children, voice disorders, cleft lip and palate, fluency disorders, motor speech disorders, augmentative communication, and dysphagia. Section Three covers language disorders in children and acquired neurogenic language disorders, while Section Four concludes with a discussion on hearing and hearing disorders.