International Journal of Cardiovascular Sciences. 12/jan/2023;36:e20220196.
Access to Health Services Among Deaf People: An Issue of Inclusion and Linguistic Rights
Gildete da Silva Amorim Mendes Francisco, Claudio Tinoco Mesquita
Hearing loss and individualities
Studies have shed light on the physiology of the auditory system, which is fundamental to understanding the diversity found in the deaf community. A study by Silva discusses the 3 types of auditory load described in Silman & Silverman’s classification system: conductive, neurosensory, and mixed.
The first type is caused by inflammatory processes, excess cerumen in the external auditory canal, changes in the articulation of the auditory ossicles and tympanic membrane, malformations of the external ear, etc. Hearing function can be completely restored in most of these cases. The second type is caused by degeneration due to the natural aging process, industrial or environmental noise exposure, drugs, stress, metabolic alterations, chronic diseases, head trauma, and diseases of the inner ear, such as Ménière’s disease or auditory neuropathy, etc. Hearing loss of this type is considered irreversible, and the remaining sensory cells are stimulated through external amplifiers. The third category, defined as mixed hearing loss, occurs due to changes in the auditory system that can simultaneously affect the outer, middle, and inner ear.
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