Audiologic Examination Of The Inner Ear: The Aural-Overload Test
- 1 September 1956
- journal article
- research article
- Published by American Speech Language Hearing Association in Journal of Speech and Hearing Disorders
- Vol. 21 (3) , 303-312
- https://doi.org/10.1044/jshd.2103.303
Abstract
Audibility thresholds are obtained for the fundamental tone to be used and for the 2nd harmonic. The fundamental frequency is then set on one pure-tone oscillator so that it will be 70 db above the audibility threshold for that tone. On a 2nd oscillator, the exploring-tone frequency is made to differ from the frequency of the 2nd harmonic by 4 cps and adjusted to 60 db above threshold. The tones are then mixed and switched to the subject''s ear, and attenuating until beats are no longer heard. Inner ear pathology is demonstrated by abnormally restricted range.Keywords
This publication has 5 references indexed in Scilit:
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- The problem of stimulation deafness. III. The functional and histological effects of a high-frequency stimulus.Journal of Experimental Psychology, 1949