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Free Publications
All our publications are available online. Click on any title to read that publication on our website. You can download a PDF or order a print copy of some publications.
Age-Related Hearing Loss
Information and resources concerning age-related hearing loss (presbycusis) including: description, causes, prevention, questions to help determine if you need to have your hearing checked, hearing aid options, other treatments, and research.
En español Download PDFAmerican Sign Language
Information and resources concerning sign language, American Sign Language, comparisons between sign and spoken language, and language acquisition by deaf children.
Download PDFAphasia
Information and resources concerning aphasia including: description, causes, diagnosis, treatment, and research.
En español Download PDFApraxia of Speech
Information and resources concerning apraxia of speech including: description, types, causes, symptoms, diagnosis, treatment, and research.
En español Download PDFAssistive Devices for People with Hearing, Voice, Speech, or Language Disorders
Information about different types of assistive devices, how they work, and ongoing NIDCD-funded research to improve their communication ability.
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