More than 4,000 disability terms, with the clearest, most accurate definitions—that's what professionals will get in this third edition of the bestselling dictionary, now fully updated and expanded just in time for its 15th anniversary. The go-to disability reference since its first edition was published in 1996, this comprehensive dictionary gives readers jargon-free definitions of disorders, diagnoses, interventions, programs, anatomical terms, medical equipment, behaviors, assistive technologies, and more—all the terms they'll need to know to work effectively with children, adults, and other professionals. A diverse team of experts carefully reviewed and revised every entry in this new edition, making each definition as clear, user friendly, and up to date as possible. Readers will get800 all-new entries reflecting the latest developments in the disability fieldstreamlined, easy-to-use entries on assessment toolsmore on rapidly changing topic areas such as autism, genetics, technology, and speech-language pathologydefinitions of new medications and their usesa helpful guide to recent legislation and a chronological look at how key laws have evolved over the yearsterminology used in a broad range of fields, such as medicine, education, psychology, physical therapy, occupational therapy, audiology, and speech-language pathologyillustrations, tables, and charts that clarify and supplement the definitionssynonyms and cross-references that help readers navigate the book and expand their knowledge of the termsupdates on professional organizations and associationsThe ultimate reference for anyone who cares for or works with individuals with developmental disabilities, this dictionary is also the perfect complement to any course on disability. Professionals from a wide range of disciplines will have the fast, reliable information they need to provide effective services to children and families.