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Active floating micro electrode arrays (AFMA).

T Kim1, P R Troyk, M Bak

  • 1Dept. of Mater. Sci. & Eng., Illinois Inst. of Technol., Chicago, IL 60616, USA. kimtaeh2@iit.edu

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
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Active-floating-micro-electrode-arrays (AFMA) offer a novel solution for neural recording and stimulation. This technology minimizes wiring for cortical interfaces, enabling wireless applications in freely moving animals.

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Implantable Devices

Background:

  • Metal microelectrodes are standard for cortical neural recording and stimulation.
  • Increasing demand for implantable electrode arrays for advanced neural interfacing.
  • Existing technologies often require extensive wiring, limiting mobility.

Purpose of the Study:

  • To introduce and detail the design, fabrication, and packaging of Active-floating-micro-electrode-arrays (AFMA).
  • To develop a multielectrode cortical interface that minimizes the number of wires.
  • To lay the groundwork for a wireless neural recording and stimulation system for free-roaming animals.

Main Methods:

  • Design and fabrication of the first-generation Active-floating-micro-electrode-arrays (AFMA).

Related Experiment Videos

  • Development of packaging techniques for the microelectrode arrays.
  • Integration strategies for minimizing external connections.

    • Main Results:

    • Successful design and fabrication of the first-generation AFMA.
    • Demonstration of a reduced-wire cortical interface.
    • Established a foundation for wireless integration.

    Conclusions:

    • AFMA represent a significant advancement in cortical interface technology.
    • The developed arrays minimize wiring, paving the way for wireless neural systems.
    • This technology supports future applications in free-roaming animal studies for neural recording and stimulation.