质心分布概率成像——一种刻画自发脑电性质的新方法
摘要
利用近期出现的脑电质心概念,对脑电进行质心分布概率密度成像,并提出用梯度和标准差对此种图像均匀性进行分析和评估.将该成像方法应用于睁闭眼状态下的脑电alpha频段,其均匀性分析和分区统计结果与alpha波阻塞现象一致.结果表明,该方法是一种可行的脑电分析手段,为脑电分析提供了一种新的途径.
基金
国家自然科学基金重点项目(批准号:60736029)
国家高技术研究发展计划(批准号:2009AA02Z301)资助项目
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