Decoding Brain States Based on Magnetoencephalography From Prespecified Cortical Regions.
Decoding Brain States Based on Magnetoencephalography From Prespecified Cortical Regions.
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基于预先指定的皮质区域的脑磁图解码大脑状态。
DOI：
10.1109/tbme.2015.2439216
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发表时间：
2016
期刊：
影响因子：
--
通讯作者：
Bagić,Anto
中科院分区：
文献类型：
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作者：
Zhang,Jinyin;Li,Xin;Foldes,StephenT;Wang,Wei;Collinger,JenniferL;Weber,DouglasJ;Bagić,Anto
Brain state decoding based on whole-head MEG has been extensively studied over the past decade. Recent MEG applications pose an emerging need of decoding brain states based on MEG signals originating from prespecified cortical regions. Toward this goal, we propose a novel region-of-interest-constrained discriminant analysis algorithm (RDA) in this paper. RDA integrates linear classification and beamspace transformation into a unified framework by formulating a constrained optimization problem. Our experimental results based on human subjects demonstrate that RDA can efficiently extract the discriminant pattern from prespecified cortical regions to accurately distinguish different brain states.
