Definition: disruption in the normal hearing process that may occur in outer, middle or inner ear, whereby sound waves are not converted to electrical signals and nerve impulses are not transmitted to the brain to be interpreted.
By Jamie Berke, About.com
Updated: December 02, 2008
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
Are your symptoms merely irritating, or could they be a sign of allergies? More >
The best way to treat a headache is to prevent it. Learn how. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.