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Article
April 1931

BONE CONDUCTION

Author Affiliations

LOS ANGELES

Arch Otolaryngol. 1931;13(4):489-505. doi:10.1001/archotol.1931.04230030001001
Abstract

Those who have been in otologic practice for some years have recently had to adapt themselves to entirely different conceptions of the physiology of hearing. It is now accepted that a true parcusis does not exist. More recently it has been found that the conception held of increased bone conduction is wrong. One cannot say that there is no such thing as an increased bone condution; further and more extended work is needed on this point. However, patients with fixation of the stapes and chronic catarrhal otitis media who show increased bone conduction in the office do not show it when tested in a sound-proof room. It is now realized that in making such tests one has been testing the degree of noise in the room rather than the cochlea of the patient. It is to be hoped that clearer concepts of paracusis and increased bone conduction will make it

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