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July 1957

Functional Examination of Hearing: Summaries of the Bibliographic Material Available in the Field of Otolaryngology

AMA Arch Otolaryngol. 1957;66(1):101-116. doi:10.1001/archotol.1957.03830250105013

It is our purpose in these abstracts to present the subject matter in such a form that it will be useful to the practicing otologist whose office is not equipped with the elaborate armamentarium required by the scientific audiologist, whose field is highly specialized but more limited in scope.

Ewertsen1 reports the program employed in Denmark for evaluating hearing aids and prescribing them. Three hearing centers have been established to take care of the entire Danish area with its four million inhabitants. The individual hearing aids are controlled by an "artificial ear" at the hearing center. The frequency curves are plotted and filed so as to have a detailed account of the commonest defect. The fitting of the hearing aid is based on a close cooperation of the engineers and physicians. Hearing aids of inferior quality have been weeded out by means of the artificial ear. The main object

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