少数電極での脳波パワー変動を用いた軽度認知障害判別手法
少数電極での脳波パワー変動を用いた軽度認知障害判別手法
カテゴリ: 論文誌(論文単位)
グループ名: 【C】電子・情報・システム部門
発行日: 2015/11/01
タイトル(英語): Classification Method for Mild Cognitive Impairment Based on Power Variability of EEG Using Only a Few Electrodes
著者名: 上田 泰士(東京工業大学 大学院情報理工学研究科),武者 利光((株)脳機能研究所),朝田 隆(筑波大学臨床医学系精神医学),八木 透(東京工業大学 大学院情報理工学研究科)
著者名(英語): Taishi Ueda (Graduate School of Information Science and engineering, Tokyo Institute of Technology), Toshimitsu Musha (Brain Functions Laboratory, Inc.), Takashi Asada (Department of Psychiatry, University of Tsukuba), Tohru Yagi (Graduate School of Information Science and engineering, Tokyo Institute of Technology)
キーワード: アルツハイマー病,軽度認知障害,脳波,パワー変動,ウェーブレット変換 Alzheimer's disease,mild cognitive impairment,electroencephalography,power variance,wavelet transform
要約(英語): Patients with mild cognitive impairment (MCI) and healthy people were classified by using “Power variance function (PVF)” of electroencephalography (EEG) recorded on only 4 electrodes in this study. PVF is an index of power variability of EEG proposed in a previous report. In this study, the balance of PVFs on a head of each person was analyzed. EEG signals of 25 MCI patients and those of 57 healthy people were recorded on Twenty-one electrodes in accordance with the 10-20 International System while the patients were at rest with eyes closed for 5 minutes. After noise reduction, the balance of PVFs of the MCI patients and those of the healthy people were compared. The results indicated that for MCI patients, the difference between PVFs of the frontal region and those of the occipital region was significantly smaller than that of healthy people in theta-alpha band. Moreover, it was found that the balance of PVFs were especially different between MCI patients and healthy people in theta-alpha band on 4 electrodes (O1, F3, Fz, and Cz as the reference). These electrodes were, therefore, selected for classification of MCI patients and healthy people. As the classification result, accuracy of 89.0%, sensitivity of 84.0%, and specificity of 91.2% were achieved.
本誌: 電気学会論文誌C(電子・情報・システム部門誌) Vol.135 No.11 (2015) 特集:電気関係学会関西連合大会
本誌掲載ページ: 1369-1375 p
原稿種別: 論文/日本語
電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejeiss/135/11/135_1369/_article/-char/ja/
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