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Flexible high-density microelectrode arrays for closed-loop brain-machine interfaces: a review.

Xiang Liu1,2, Yan Gong2,3, Zebin Jiang2,3

  • 1Neuroscience Program, Department of Physiology, Michigan State University, East Lansing, MI, United States.

Frontiers in Neuroscience
|April 30, 2024
PubMed
Summary
This summary is machine-generated.

Flexible high-density microelectrode arrays (HDMEAs) offer superior performance in closed-loop brain-machine interfaces (BMIs). This review highlights advancements and challenges in developing these flexible arrays for enhanced BMI applications.

Keywords:
brain-machine interfacesclosed-loopflexibilityhigh densitymicroelectrode array

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Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Materials Science

Background:

  • Flexible high-density microelectrode arrays (HDMEAs) are crucial for advanced closed-loop brain-machine interfaces (BMIs).
  • Their inherent flexibility offers benefits over rigid arrays, including reduced tissue mismatch and improved long-term stability.
  • HDMEAs enable high-resolution neural recording and stimulation.

Purpose of the Study:

  • To review recent developments and applications of flexible HDMEAs in closed-loop BMI systems.
  • To identify and discuss challenges in creating optimal flexible HDMEAs for BMIs.
  • To highlight innovative solutions and future prospects for flexible HDMEA technology.

Main Methods:

  • Literature review of recent research on flexible HDMEAs.
  • Analysis of challenges in flexible HDMEA development for BMIs.
  • Synthesis of current methodologies and breakthroughs.

Main Results:

  • Flexible HDMEAs demonstrate significant advantages for closed-loop BMIs, including better tissue integration and resilience.
  • Key challenges involve material stability, fabrication complexity, and long-term biocompatibility.
  • Recent advancements address these challenges, paving the way for next-generation devices.

Conclusions:

  • Flexible HDMEAs are pivotal for the advancement of closed-loop BMI technology.
  • Overcoming current development hurdles will unlock their full potential.
  • This review provides insights for future flexible HDMEA design and application in BMIs.