Dallos's Corti models (Matt Flax )


Subject: Dallos's Corti models
From:    Matt Flax  <flatmax(at)MATT.FLAX>
Date:    Wed, 20 Oct 2004 19:14:08 +1000

Hello, In searching for a decent model to use for the electrical properties of Organ's Corti (OoC), I discovered Dallos's paper [1]. The search for such a model is driven by the desire to find the physiological origin of the cochlea amplifier, of course ! It was a very rigorous model of the OoC which concluded that : "Thus electrical interactions do not appear to be a reasonable means of intra-organ of Corti communication." page 109, last sentence para. 1 The article finished with the failures of the model to match experimental data. I am waiting on the next installment which is a model that introduces reactive components (more then simple resistances) [2]. I wait for it in the mail through my universities Inter Library Loans unit (thanks to the medical bibliotech Hannover and UNSW ILL for [1]). One can only assume before one has read it that it is still not successful in matching experimental non-linearities which are inherent in the Cochlea Amplifier. Can anyone comment on this or give a brief run down of the article ? thanks Matt [1] (at)Article{Dallos:1983, author = {Dallos, P.}, title = {Some electrical circuit properties of the organ of Corti. I. Analysis without reactive elements}, journal = {Hearing Research}, year = {1983}, volume = {12}, number = {1}, pages = {89-119}, month = {Oct.} } [2] Dallos P. Some electrical circuit properties of the organ of Corti. II. Analysis including reactive elements. [Journal Article] Hearing Research. 14(3):281-91, 1984 Jun. -- WSOLA TimeScale Audio Mod : http://mffmtimescale.sourceforge.net/ Multimedia Time Code : http://mffmtimecode.sourceforge.net/


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Electrical Engineering Dept., Columbia University