Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference · 2022
N170 component analysis of single-trial EEG based on electrophysiological source imaging.
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Wang Pengchao, Mu Wei, Zhan Gege, Song Zuoting, Fang Tao, Zhang Xueze, Wang Junkongshuai, Niu Lan, Bin Jianxiong, Zhang Fan, Zhang Lihua, Jia Jie, Kang Xiaoyang
Аннотация
Event-related potentials (ERP) are brain-evoked potentials that reflect the neural activity of the brain. However, it is difficult to isolate the ERP components of our interest because single-trial EEG is disturbed by other signals, and the average ERP analysis in turn loses single-trial information. In this paper, we used electrophysiological source imaging (ESI) to analyze the N170 component of single-trial EEG triggered by face stimulation. The results show that ESI is feasible for the analysis of N170 and that there are left-right differences in the area of the fusiform gyrus associated with face stimulation in the brain. Clinical Relevance- Analysis of the N170 of single-trial EEG by ESI may help in the diagnosis of patients with prosopagnosia and may also help physicians clinically in determining whether the fusiform gyrus region is damaged.