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Related Experiment Video

Updated: Jul 10, 2026

In Vivo Electrophysiological Measurements on Mouse Sciatic Nerves
11:07

In Vivo Electrophysiological Measurements on Mouse Sciatic Nerves

Published on: April 13, 2014

The measurement of compound neural action potential in sciatic nerve using microelectrode array.

Chungkeun Lee1, Yongho Kim, Hangsik Shin

  • 1Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, Korea. micon78@yonsei.ac.kr

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|October 20, 2007
PubMed
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Researchers analyzed microelectrode arrays for observing nerve regeneration by testing their electrical properties. This ensures accurate analysis of neural signals during sciatic nerve repair in rats.

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Signal Processing

Background:

  • Observing nerve regeneration requires analyzing electrical signals from damaged nerve fibers.
  • Microelectrode arrays are used for this purpose but have high impedance and unique phase characteristics.
  • Testing phase linearity and impedance is crucial to prevent neural signal distortion.

Purpose of the Study:

  • To analyze the features of microelectrode arrays for nerve regeneration studies.
  • To design a bioamplifier suitable for processing signals from microelectrode arrays.
  • To evaluate the performance of the system using sciatic nerves in rats.

Main Methods:

  • Characterization of microelectrode array features, including impedance and phase linearity.

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Last Updated: Jul 10, 2026

In Vivo Electrophysiological Measurements on Mouse Sciatic Nerves
11:07

In Vivo Electrophysiological Measurements on Mouse Sciatic Nerves

Published on: April 13, 2014

Recording Network Activity in Spinal Nociceptive Circuits Using Microelectrode Arrays
11:28

Recording Network Activity in Spinal Nociceptive Circuits Using Microelectrode Arrays

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Use of In Vivo Single-fiber Recording and Intact Dorsal Root Ganglion with Attached Sciatic Nerve to Examine the Mechanism of Conduction Failure
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Use of In Vivo Single-fiber Recording and Intact Dorsal Root Ganglion with Attached Sciatic Nerve to Examine the Mechanism of Conduction Failure

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  • Design and implementation of a bioamplifier for neural signal acquisition.
  • In vivo measurement of sciatic nerve signals in rats using the developed system.

    • Main Results:

    • The study analyzed key features of microelectrode arrays relevant to neural signal recording.
    • A bioamplifier was designed and implemented to address the specific requirements of microelectrode arrays.
    • Successful measurement of sciatic nerve signals in rats was achieved, demonstrating the system's utility.

    Conclusions:

    • Microelectrode arrays require specific testing (phase linearity, impedance) for accurate neural signal analysis.
    • The designed bioamplifier is suitable for processing signals from microelectrode arrays in nerve regeneration studies.
    • The methodology shows promise for in vivo monitoring of nerve repair and regeneration.