EEG熵的动力学:超越信号加噪声
Dynamics of EEG Entropy: beyond signal plus noise
摘要:
采用扩散熵方法对脑电时间序列进行分析。由此产生的EEG熵表现出短时间的缩放,渐近饱和和衰减的α-节律调制。这些属性是忠实地模拟了一个现象学朗之万方程解释内的神经网络上下文。去趋势波动分析的EEG数据进行比较,扩散熵分析,并发现抑制EEG时间序列的某些重要属性。
英文摘要:
EEG time series are analyzed using the diffusion entropy method. The resulting EEG entropy manifests short-time scaling, asymptotic saturation and an attenuated alpha-rhythm modulation. These properties are faithfully modeled by a phenomenological Langevin equation interpreted within a neural network context. Detrended fluctuation analysis of the EEG data is compared with diffusion entropy analysis and is found to suppress certain important properties of the EEG time series.
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