Audiology and Communication Disorders: An Overview, 2nd Edition is an innovative learning system that makes important audiology concepts accessible to beginning students, while providing instructors with the depth of coverage needed for more advanced students through a diverse range of assignable online articles, case studies, and multimedia activities developed to integrate seamlessly with the main text. Using the innovative communication chain model throughout the book, authors Larry Humes and Fred Bess cover structure and function of the auditory system; auditory disorders; audiologic measurement; screening for hearing loss and middle ear status; prosthetic devices for the hearing impaired; and rehabilitation and habilitation for individuals with impaired hearing. Boxed learning activities, case study vignettes, and commentaries help students understand key concepts and their clinical applications. The Second Edition has been updated with new content, new case studies, and additional disorders, and is supported by extensive online resources, including videos and animations that bring concepts to life, a wide range of articles, a pronunciation glossary, a question bank, labeling exercises, an interactive screening test, an anatomy and physiology image bank, case studies, and audio demos.