American Speech-Language-Hearing Association

Learn About the CSD Professions

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Audiology is the science of hearing, balance, and related disorders.

Audiologists are experts in the nonmedical diagnosis and management of disorders of the auditory and balance systems. They specialize in the identification and assessment of hearing and balance problems, rehabilitation of persons with hearing and balance disorders, and prevention of hearing loss. Learn more.

Speech, language, and hearing research focuses on the normal functions of human communication, the processes underlying impaired function, and the development of new techniques for assessment and treatment. This research generates the evidence on which clinical practice is based. Learn more.

Speech disorders occur when a person is unable to produce speech sounds correctly or fluently, or has problems with their voice or resonance. Language disorders occur when a person has trouble understanding others (receptive language), or sharing thoughts, ideas, and feelings (expressive language).

Speech-language pathologists (SLPs) work to prevent, assess, diagnose, and treat speech, language, social communication, cognitive-communication, and swallowing disorders in children and adults. Learn more.

Audiology assistants perform a variety of duties that may include cleaning and preparation of equipment, limited documentation, routine therapeutic activities as deemed appropriate by the licensed clinician, and other duties not otherwise limited by the scope of practice, education, or aptitude of the individual. Read more.

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