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A STUDY OF POWER DENSITY SPECTRA OF SPLIT-ALPHA RHYTHEM
Author(s): 
Pages: 301-306
Year: Issue:  4
Journal: ACTA BIOPHYSICA SINICA

Keyword:  alpha节律功率密度谱皮层丘脑模型连接强度;
Abstract: 脑电图信号的功率谱分布是研究脑功能的一种重要手段.Alpha频段波峰的分裂是在少数健康人中观测到的一种现象.通过对皮层丘脑模型(corticothalamic model)的仿真计算,文中认为非均匀延时是产生alpha节律功率密度谱分裂的基础,而皮层与丘脑间的反馈连接的强度变化则是分裂现象只在少数人中观测到的重要原因.
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