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Three-Dimensional Source Imaging From Simultaneously Recorded ERP and BOLD-fMRI

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5 Author(s)
Xiaoxiao Bai ; Dept. of Biomed. Eng., Univ. of Minnesota, Minneapolis, MN ; Zhongming Liu ; Nanyin Zhang ; Chen, W.
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We present the 3-D EEG source images reconstructed by using the minimum norm least square (MNLS) method in combination with the functional magnetic resonance imaging (fMRI) statistical parametric mapping. For a group of five normal subjects, electroencephalogram (EEG) and fMRI signals responding to the full-view checkerboard pattern-reversal visual stimulation were recorded simultaneously and separately. The electrical activities in V1/V2 and V5 were successfully imaged in the N75-P100-N145 and P100-N145 components, respectively. The present results demonstrate the merits of high-resolution spatiotemporal functional neuroimaging by integrating the simultaneously recorded fMRI and EEG data.

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Neural Systems and Rehabilitation Engineering, IEEE Transactions on  (Volume:17 ,  Issue: 2 )