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Action potential and bursting phenomena using analog electrical neuron

Published: 16 September 2010 Publication History

Abstract

A neuron or nerve cell has passive components due to resistive-capacitive nature of circuitry and active current components contributed by ion channels. Biophysical neurons represent active and passive components by differential equations. The differential equations of the biophysical model were integrated by making arithmetic operations on voltage model circuits. Analog neuronal model using voltage integrator circuits is the main focus of this paper. The work involves two circuit models and also addresses design and passive properties of analog neuron model along with the effects of Na+ and K+ ionic channels. In the first simpler circuit, an action potential was generated. In the enhanced second model, sodium and potassium currents were generated separately along with action potential. Impacts of noise and various geometrical signals on the action potential and ionic channels were studied to analyze the effects of membrane resistance and capacitance changes in membrane potential and ionic channels. Besides its use in neuromorphic network research, the model has been successfully in virtual labs and for teaching practice.

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cover image ACM Other conferences
A2CWiC '10: Proceedings of the 1st Amrita ACM-W Celebration on Women in Computing in India
September 2010
425 pages
ISBN:9781450301947
DOI:10.1145/1858378
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

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Published: 16 September 2010

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Author Tags

  1. electrical analog neuron
  2. neuromorphic engineering
  3. neuronal biophysics

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A2CWiC '10
A2CWiC '10: Emerging Trends in Computing
September 16 - 17, 2010
Coimbatore, India

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