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Cerumen CIC Cochlea Compression Conductive Hearing Loss Consonant / Vowel Conductive Hearing Loss Conductive_hearing_loss.jpg Conductive hearing loss is the generic term for a decrease in hearing levels as a result of any pathology within the outer ear or middle ear systems. The specific site of the disorder can be in the ear canal, middle ear cavity, tympanic membrane, ossicles or Eustachian tube, or can co-exist in several of these areas. This prevents the efficient conduction of sound to the inner ear. The most common of these conductive pathologies are listed separately {See; Cerumen, Eustachian Tube dysfunction, Infections (middle ear), & Otosclerosis}. Many conductive hearing loses can be treated medically. Conductive hearing loss generally produces a mild to moderate level of hearing loss. It can affect hearing in all frequencies relatively equally, or be present just for the lower frequency sounds. This type of hearing loss typically does not exhibit the loudness recruitment problems associated with cochlear-level pathologies. The level of hearing loss associated with conductive hearing loss can often fluctuate over a daily or weekly basis, and this can make its identification in children somewhat difficult. In recent years it has become clear that conductive hearing loss can have a negative impact on children's speech and language development, and is often linked with poor academic performance. There is also some evidence to suggest that long-standing conductive hearing loss can lead to problems with the processing of complex auditory information within the brain. |
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