利用相关维数估计视觉诱发电位信号的复杂性

Proceedings. 2005 First International Conference on Neural Interface and Control, 2005. Pub Date : 2005-05-26 DOI:10.1109/ICNIC.2005.1499853

Dang Yanjun, Lin Jiarui, Yang Zhong-le, Shu Weiguang

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引用次数: 1

摘要

本研究的目的是利用相关维数(CD)检测诱发电位的非线性动态特性。我们还想确定CD是否可以作为自发性脑电图和EP的鉴别统计。研究了刺激前后的脑电图CD。研究了单次试炼和多次试炼平均态下EP的CD。结果表明，诱发电位的相关维度低于自发性脑电。EP信号具有比自发脑电图更简单的特征。

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Using the correlation dimension for estimation of the complexity of visual evoked potential signal

The aim of this study is to detect nonlinear dynamic properties in evoked potential (EP) with correlation dimension (CD). We also want to identify if CD could be used as a discriminating statistic of spontaneous EEG and EP. The CD of EEG before and after stimulations are studied. The CD of EP in single trial form and multitrials average form are also studied. Results from this study show that the correlation dimensions of evoked potential is lower than spontaneous EEG. EP signals have less complicated properties than spontaneous EEG.

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Proceedings. 2005 First International Conference on Neural Interface and Control, 2005.

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