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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.

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American Sign Language

Information and resources concerning sign language, American Sign Language, comparisons between sign and spoken language, and language acquisition by deaf children.

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Aphasia

Information and resources concerning aphasia including: description, causes, diagnosis, treatment, and research.

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Apraxia of Speech

Information and resources concerning apraxia of speech including: description, types, causes, symptoms, diagnosis, treatment, and research.

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Assistive 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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Auditory Neuropathy

Information and resources concerning auditory neuropathy including: definition, causes, diagnosis, treatment, and research.

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Autism Spectrum Disorder: Communication Problems in Children

Information and resources concerning autism including: definition, causes, communication problems of autism, treatment, who is affected, and research.

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Balance Disorders

Information and resources concerning balance disorders including: definition, the balance system, symptoms, causes, types, diagnosis, treatment, and research.

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Captions For Deaf and Hard-of-Hearing Viewers

Information and resources concerning captions and captioning including: open and closed captioning, real-time captioning, electronic newsroom captioning, edited and verbatim captioning, rear-window captioning, captioned telephones, current laws regarding captioning, the FCC and captioning requirements, and captioning research. 

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Cochlear Implants

Information and resources concerning cochlear implants, including an introduction, description of the device and its workings, discussions on who gets implants and surgical considerations, and what the future holds for the devices.

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Developmental Language Disorder

Information and resources concerning developmental language disorder including: description, causes, symptoms, diagnosis, treatment, and research.

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Do You Need a Hearing Test?

Ten questions that will help you determine if you need to have your hearing evaluated by a health professional.

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Ear Infections in Children

Information and resources about ear infections in children, including symptoms and causes, how ear infections are diagnosed and treated, how they can be prevented, and what research is being done on the condition.

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Enlarged Vestibular Aqueducts and Childhood Hearing Loss

This fact sheet describes what scientists are discovering about the causes, diagnosis, and treatment of enlarged vestibular aqueducts (EVA). Although EVA does not appear to be the cause, research suggests that most children with this condition will develop some degree of hearing loss.

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Hearing Aids

Information and resources concerning hearing aids including: hearing loss, types of hearing aids, hearing aid adjustment and care, and shopping for hearing aids.

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Hearing Protectors

Information and resources about hearing protectors, including what they are, why they are important, and when they should be used.

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Hearing Protectors for a Noisy Planet

Information about when to use hearing protectors, how to help children use hearing protectors, and what to know about different types of hearing protection.

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Hoarseness

Information and resources about hoarseness, including how our voice works, when you should see a doctor for diagnosis and treatment of hoarseness, its causes, and current research.

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How Do We Hear?

This fact sheet describes how our ear changes sound waves in the air into electrical signals and then transmits these signals to the brain, allowing us to hear sounds.

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How Does Noise Damage Your Hearing?

Information concerning how we hear; the signs, symptoms, and causes of noise-induced hearing loss; and how you can help children and preteens protect their hearing.

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