Internet Journal of Emerging Medical Technologies

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Artificial Ears Provide Real Hearing Improvement

Posted on September 17, 2008

Researchers at Northwestern Medical School have shown that ear prosthesis increase apparent audio quality well enough to improve speech recognition in noisy environments. William E. Walsh, M.D., C.M.I., of Northwestern University Feinberg School of Medicine, Chicago, and colleagues analyzed eight different silicone rubber prostheses in a two-part study. In the first part, the researchers used a life-sized plastic foam head with a 12-millimeter hole drilled through at the location of the external auditory canal. A microphone was placed at the entrance of the ear canal to measure sound pressure...

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ear , ears , hearing , plastic surgery