Brain-injured people can be unable to distinguish voices but can recognize other sound types {hearing, problems}. If they listen to speech recorded using different voices for different syllables, they cannot understand words.
Middle-ear bone or tendon damage decreases sound amplitude {conductive hearing loss}.
Infection causes middle-ear inflammation {otitis media}|, typically in children.
Middle-ear bones can grow abnormally {otosclerosis}|, affecting hearing.
Adverse conditions {ototoxic} can affect balance or hearing more than other systems.
Auditory-nerve or cochlea damage decreases loudness {sensorineural hearing loss}.
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Date Modified: 2022.0225