BEKESY AUDIOMETRY PDF

With the increasing importance of being able to differentiate between cochlear and retrocochlear lesions at a very early date, audiometric data assume an even more important role. Classifications of the tracings is currently based on 1 the area along the frequency continuum in which the curve of the continuous C tone separates from the curve for the interrupted I signal and 2 the extent and direction of the separation in decibels. Arch Otolaryngol. Coronavirus Resource Center. All Rights Reserved. Twitter Facebook Email.

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Pulsed P and Continuous C traces were recorded for 1 and 2 min, respectively. Data were described in types of response, amount of threshold decrement of the C trace re P traces, and rate of threshold decrement. Total amount of adaptation in db P-C increased with frequency, although mean values were rather small, most less than 5 db and none exceeding 10 db by the end of Min 2.

The potential utility of HFBA and implications for future research were discussed. This site needs JavaScript to work properly. Please enable it to take advantage of the complete set of features! Clipboard, Search History, and several other advanced features are temporarily unavailable. Search: Search. Advanced Clipboard.

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Cite Favorites. Reliability and validity revisited. Gauz MT, et al. J Aud Res. PMID: Effect of warble-tone frequency deviation on threshold measurement in cases with sloping audiometric configurations. Lundeen C. High frequency Bekesy audiometry: II. Threshold test procedure, reliability and validity. The simplified HF E high-frequency audiometer: clinical applications. A Bekesy descending-only procedure: effects of attenuation rate and step size, and starting level.

Young IM, et al. Show more similar articles See all similar articles. Adult Actions. Female Actions. Humans Actions. Male Actions. Sensory Thresholds Actions. Copy Download.

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Pulsed P and Continuous C traces were recorded for 1 and 2 min, respectively. Data were described in types of response, amount of threshold decrement of the C trace re P traces, and rate of threshold decrement. Total amount of adaptation in db P-C increased with frequency, although mean values were rather small, most less than 5 db and none exceeding 10 db by the end of Min 2. The potential utility of HFBA and implications for future research were discussed. This site needs JavaScript to work properly. Please enable it to take advantage of the complete set of features! Clipboard, Search History, and several other advanced features are temporarily unavailable.

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Bekesy Audiometry in Analysis of Auditory Disorders

Half the Ss then produced at least 2 sets of tracings each in the fixed-frequency mode on the HF E Maximum mean test-retest HTL differences of db were obtained. Reliability r's obtained from the HF E were equivalent to or surpassed those from the E; a very high proportion of such coefficients was statistically significant. Reduced validity coefficients, calculated at the frequencies common to the units, were attributed at least in part to differences in methods of coupling the transducers to the ear. This site needs JavaScript to work properly. Please enable it to take advantage of the complete set of features!

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Audiometry

It can be used for audiometric screening or in differentiation between the cause of the hearing loss e. The patient being tested needs to hold down the response button when the tone is heard and release when the tone is no longer heard. When the response button is pressed, the intensity level of the frequency tested will automatically be reduced. When the response button is released, the intensity level will automatically increase. Test Procedure. The results are interpreted based on the display of the continuous and pulsed tone.

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