Recent progress of hydrogels in brain-machine interface

Mingxuan Zhang, Mingming Hao*, Botao Liu, Jianping Chen, Guoqiang Ren, Yinchao Zhao, Jinxiu Guo, Liping Zhuang, Shunying Zhao, Zhaoxiang Peng, Jiangfang Lian, Jingjin Wu, Yi Chen, Jingyun Ma*, Qifeng Lu*

*Corresponding author for this work

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Abstract

The long-term stable monitoring of brain signals, including electroencephalogram (EEG), electrocorticogram (ECoG) and local field potential (LFP), is of great significance for the fundamental research in brain science, artificial intelligence and the diagnosis and treatment of brain-related disorders. Therefore, both non-invasive and invasive brain-machine interfaces based on different materials and structures have been widely studied due to their unique performance. Among these materials, hydrogels have emerged as a promising interface material for brain signal collection systems due to their similar mechanical properties to biological tissues, excellent biocompatibility, strong self-adhesive properties, and exceptional ionic conductive characteristics. This review aims to provide an overview on the recent progress of hydrogel-based brain interfaces in the recording of brain signals with noninvasive and invasive methods. It is expected that this paper will serve as a valuable summary and reference for future research in the hydrogel-based brain interface.
Original languageEnglish
Article number39
JournalSoft Science
Volume4
Issue number4
DOIs
Publication statusPublished - 27 Nov 2024

Keywords

  • brain science
  • Brain-machine interface
  • flexible electronics
  • hydrogels
  • neural signal

Cite this

Zhang, M., Hao, M., Liu, B., Chen, J., Ren, G., Zhao, Y., Guo, J., Zhuang, L., Zhao, S., Peng, Z., Lian, J., Wu, J., Chen, Y., Ma, J., & Lu, Q. (2024). Recent progress of hydrogels in brain-machine interface. Soft Science, 4(4), Article 39. https://doi.org/10.20517/ss.2024.34