Evaluation of High-density Multi-channel Electrocorticographic Electrode Arrays in Rat Barrel Cortex

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  • Tagawa Shotaro
    Graduate School of Frontier Biosciences, Osaka University
  • Kaiju Taro
    Graduate School of Frontier Biosciences, Osaka University Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology, and Osaka University
  • Suzuki Takafumi
    Graduate School of Frontier Biosciences, Osaka University Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology, and Osaka University

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  • ラットバレル野における高密度多点皮質脳波電極の評価
  • ラットバレルノ ニ オケル コウミツド タテン ヒシツ ノウハ デンキョク ノ ヒョウカ

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Abstract

<p>Electrocorticography (ECoG) is one of the electrophysiological recording techniques, which has several beneficial features including low invasiveness, good signal quality, and long-term stability. We developed a novel high-density micro-ECoG array and evaluated it on the rat barrel cortex. Results of barrel-column mapping showed better performance of a high-density array on topographic delineation compared to a low-density array. Bending directions of a whisker could be estimated reliably using recorded ECoG signals.</p>

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