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IEICE TRANSACTIONS on Fundamentals

Asynchronous Cellular Automaton Model of Spiral Ganglion Cell in the Mammalian Cochlea: Theoretical Analyses and FPGA Implementation

Masato IZAWA, Hiroyuki TORIKAI

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Summary :

The mammalian cochlear consists of highly nonlinear components: lymph (viscous fluid), a basilar membrane (vibrating membrane in the viscous fluid), outer hair cells (active dumpers for the basilar membrane), inner hair cells (neural transducers), and spiral ganglion cells (parallel spikes density modulators). In this paper, a novel spiral ganglion cell model, the dynamics of which is described by an asynchronous cellular automaton, is presented. It is shown that the model can reproduce typical nonlinear responses of the spiral ganglion cell in the mammalian cochlea, e.g., spontaneous spiking, parallel spike density modulation, and adaptation. Also, FPGA experiments validate reproductions of these nonlinear responses.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E98-A No.2 pp.684-699
Publication Date
2015/02/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E98.A.684
Type of Manuscript
PAPER
Category
Nonlinear Problems

Authors

Masato IZAWA
  Grad. School of Engineering Science, Osaka University
Hiroyuki TORIKAI
  Kyoto Sangyo University

Keyword