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Hearing loss and deafness can cause a driver to miss out on some useful information in their surroundings, but our decisions as we drive are the biggest factor in making it home safely. Ask Road ...
Hearing loss due to chemicals starts in the high frequency range and is irreversible. It damages the cochlea with lesions and degrades central portions of the auditory system. [74] For some ototoxic chemical exposures, particularly styrene, [75] the risk of hearing loss can be higher than being exposed to noise alone.
The National Institute on Deafness and Other Communication Disorders (NIDCD), a member of the U.S. National Institutes of Health, is mandated to conduct and support biomedical and behavioral research and research training in the normal and disordered processes of hearing, balance, smell, taste, voice, speech, and language. The institute also ...
Cerebral deafness (also known as cortical deafness or central deafness) is a disorder characterized by complete deafness that is the result of damage to the central nervous system. The primary distinction between auditory agnosia and cerebral deafness is the ability to detect pure tones, as measured with pure tone audiometry.
Auditory verbal agnosia (AVA), also known as pure word deafness, is the inability to comprehend speech. Individuals with this disorder lose the ability to understand language, repeat words, and write from dictation.
For example, someone who grew up deaf and experienced vision loss later in life is likely to use a sign language (in a visually modified or tactile form). Others who grew up blind and later became deaf are more likely to use a tactile mode of spoken/written language. Methods of communication include: