Reduction or suppression of hearing.

There is perceptual deafness and conductive deafness. The origin can be multiple: vertebral, vascular, auricular.

Deafness can be due to:

to a lesion of the cerebral hearing centers: central deafness,
to a lesion of the auditory nerve: perceptual deafness,
to a lesion of the middle ear (tympanum, ossicles, etc.): conductive hearing loss.

Problems associated with deafness: earwax, chronic otitis externa, otosclerosis, Menière's disease, hearing trauma, arteriosclerosis,...

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Deafness

Definition