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The Electrochemistry of Charge Injection at the Electrode/Tissue Interface

  • Daniel R. Merrill
Part of the Biological and Medical Physics, Biomedical Engineering book series (BIOMEDICAL)

Abstract

The physical basis for electrical stimulation of excitable tissue is presented with emphasis on the fundamental mechanisms of charge injection at the electrode/tissue interface. Faradaic and non-Faradaic charge-transfer mechanisms are presented and contrasted. An electrical model of the electrode/tissue interface is given. The physical basis for the origin of electrode potentials is given. Electrochemical reversibility is discussed. Two-electrode and three-electrode systems are compared. Various methods of controlling charge delivery during pulsing are presented. Commonly used electrode materials and stimulation protocols are reviewed in terms of stimulation efficacy and safety. Principles of stimulation of excitable tissue are reviewed. Mechanisms of damage to tissue and the electrode are reviewed.

Keywords

Electrode Potential Charge Injection Exchange Current Density Interpulse Interval Excitable Tissue 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Alfred E. Mann Foundation for Scientific ResearchSanta ClaritaUSA

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