Analysis of Parkinson's EEG Based on the Complexity Measure
Chen Zhongyong Wu Wenkai Tong Qinye Yan Xiaogang
Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027
Abstract EEG represents the electricy activity of neurons in human brain; it is of course repeatedly used for studying and analyzing the brain activity and the status of brain function. We analyzed the Parkinson's and normal persons' EEG, with the aid of Kc complexity and C1 complexity defined by Kolmogorov and Xujinhua respectively. The results of the analysis on the data from 200 patients and 200 normal persons indicate that the complexity of EEG can be regarded as a feature classifying the Parkinson's EEG and normal persons' EEG.
Key words Complexity EEG Parkinson's disease
1 概 述
脑电是大脑神经元突触后电位的综合,是大脑神经电活动产生的电场经容积导体传导后在头皮上的电位分布,脑电图反映了大脑组织的电活动和大脑的功能状态。如何从脑电信息中提取出可靠参数来反映大脑的功能状态一直是人们希望得到解决的问题。
自从Hans Berger发现并记录了脑电后,越来越多的研究者进行了这方面的研究,他们想揭开脑的处理信息过程和它的功能状态,但都没有取得突破性进展,这主要是因为人脑是一个强非线性系统,而他们用的基本上是线性的分析方法,如频谱等。最近非线性科学的发展为研究人脑提供了有力的工具。但目前主要用: