PMID: 11605951Oct 19, 2001Paper

A comparison of two loudness balancing tasks in cochlear implant subjects using bipolar stimulation

Ear and Hearing
Chandra S Throckmorton, L M Collins

Abstract

In this study, the accuracy of independent measurement of the loudness of different electrodes in a cochlear implant (the "reference" method) was compared with the accuracy of measurements that depend on the results of previous measurements (the "adjacent" method) by evaluating the similarity between and the slopes of the loudness balance curves, and the variability in the measured loudness balance values. The two methods of loudness balancing differed only in the reference electrode used. In the adjacent method, the loudness of the test electrode was sequentially adjusted to match the loudness of an adjacent reference electrode, whereas in the reference method, the loudness of all test electrodes was adjusted to match that of a common reference electrode. Five subjects implanted with the Nucleus 22 device completed both methods of loudness balancing for all of their functioning electrodes. Each test/reference electrode pair was loudness balanced six times to assess the variability of the two methods. The loudness balance curves for the two methods were statistically correlated (p < 0.001) for all subjects. The slopes of the regression lines for the loudness balance curves were statistically different from zero (p < 0.05) for r...Continue Reading

References

Nov 1, 1977·The Journal of the Acoustical Society of America·J S LimN I Durlach
Jul 1, 1992·Hearing Research·F G Zeng, R V Shannon
Jul 1, 1984·The Journal of the Acoustical Society of America·P J BlameyG M Clark
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Feb 1, 1997·The Journal of the Acoustical Society of America·S BuusT Poulsen
May 30, 1998·The Journal of the Acoustical Society of America·M ChatterjeeR V Shannon
Dec 7, 2000·The Journal of the Acoustical Society of America·L M Collins, C S Throckmorton

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Citations

Feb 6, 2008·The Journal of the Acoustical Society of America·Joshua S StohlLeslie M Collins
Jul 17, 2009·The Journal of the Acoustical Society of America·Joshua S StohlLeslie M Collins
Jul 16, 2019·Journal of Speech, Language, and Hearing Research : JSLHR·Margaret T DillonKevin D Brown

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