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central deafness

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central deafness
n.
The loss or impairment of hearing caused by disease or a defect in the auditory system of the brain.

central deafness.
deafness [def´nes]
hearing loss; lack or loss of all or a major part of the sense of hearing. For types, see under hearing loss.
Alexander's deafness congenital deafness due to cochlear aplasia involving chiefly the organ of Corti and adjacent ganglion cells of the basal coil of the cochlea; high-frequency hearing loss results.
central deafness that due to causes in the auditory pathways or in the brain; see hearing loss.
conduction deafness (conductive deafness) conductive hearing loss.
functional deafness functional hearing loss.
hysterical deafness functional hearing loss.
pagetoid deafness that occurring in osteitis deformans of the bones of the skull (paget's disease).
sensorineural deafness
1. that due to a defect in the inner ear or the acoustic nerve. See hearing loss.
word deafness auditory aphasia.

deafness (def´nes),
n a condition characterized by a partial or complete loss of hearing.
deafness, central,
n impaired hearing caused by interference with cerebral auditory pathways or in the auditory centers in the brain (e.g., cerebrovascular accidents and other degenerative brain diseases). Hearing aids are of little benefit.
deafness, conduction
n See deafness, transmission.
deafness, nerve,
n impaired hearing caused by pathologic conditions in the auditory nerve or the hair cells of the organ of Corti in the inner ear (e.g., high-tone deafness, which comes with age; damage to the organ of Corti by noise; or a tumor of an auditory nerve). Hearing aids are usually of little benefit.
deafness, transmission (conduction deafness),
n impaired hearing caused by interference with passage of sound waves through the external ear (e.g., interference caused by wax) or middle ear (e.g., interference caused by otitis media, aerotitis media, or otosclerosis). May be characterized by greater interference with hearing of low tones. Hearing aids that amplify may be helpful.


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Other common names are auditory perception problem, auditory comprehension deficit, central auditory dysfunction, central deafness, and so-called "word deafness.
 
 
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