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Development of Hybrid Resistive-Capacitive Electrodes for Electroencephalograms and Electrooculograms

Development of Hybrid Resistive-Capacitive Electrodes for Electroencephalograms and Electrooculograms

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カテゴリ: 論文誌(論文単位)

グループ名: 【E】センサ・マイクロマシン部門

発行日: 2013/03/01

タイトル(英語): Development of Hybrid Resistive-Capacitive Electrodes for Electroencephalograms and Electrooculograms

著者名: Alexsandr Igorevitch Ianov (Graduate School of Systems and Information Engineering, University of Tsukuba), Hiroaki Kawamoto (Graduate School of Systems and Information Engineering, University of Tsukuba), Yoshiyuki Sankai (Graduate School of Systems and

著者名(英語): Alexsandr Igorevitch Ianov (Graduate School of Systems and Information Engineering, University of Tsukuba), Hiroaki Kawamoto (Graduate School of Systems and Information Engineering, University of Tsukuba), Yoshiyuki Sankai (Graduate School of Systems and Information Engineering, University of Tsukuba)

キーワード: bioelectrical sensing,capacitive sensing,electrode,EEG,EOG

要約(英語): Bioelectrical signals such as electrooculograms (EOGs) and electroencephalograms (EEGs) have many medical applications. Wet electrodes are used widely to acquire these signals; however, their use has several limitations. Other researchers have proposed dry contact electrodes, but they do not solve all of the problems associated with wet electrodes; on the other hand noncontact capacitive coupling electrodes have poor noise performance and are large and complex. In this paper, we present a hybrid electrode that is capable of both capacitive and resistive recordings at lower noise levels, with a smaller hardware footprint. The sensor was designed by optimizing the sensor input impedance value using a new electrode equivalent circuit that contained noise sources. Experiments were performed to investigate the frequency response, noise spectrum, motion artifacts, standard alpha and beta EEG signals, and eyelid and eyeball EOG measurements. We verified that our electrodes are capable of bioelectrical measurements at noise levels comparable to wet electrodes.

本誌: 電気学会論文誌E(センサ・マイクロマシン部門誌) Vol.133 No.3 (2013) 特集:センサ・マイクロマシン英文特集号

本誌掲載ページ: 57-65 p

原稿種別: 論文/英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejsmas/133/3/133_57/_article/-char/ja/

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