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Investigation of Relative fMRI Signal Intensity and Its Spatial Distribution with Combination of Multiple Linear Regression and General Linear Test
Authors
任金舸
向华东
+5 more
李恩忠
翁旭初
袁艺
贾富仓
马林
Publication date
1 January 2004
Publisher
Abstract
目的 :探讨多重线性回归分析和一般线性 (GLT)检验在fMRI数据处理中的应用。材料和方法 :采用多重线性回归和GLT技术分析了一组复杂运动与简单运动的功能磁共振成像数据 ,并与传统互相关分析结果进行比较。结果 :采用互相关分析 ,选用不同的阈值得出了完全不同的结论 ; 而采用多重线性回归和GLT则不需要主观设定域值 ,并可对复杂与简单两种运动任务的激活强度进行定量比较 ,表明各脑区不同程度地参与两种运动任务 ,可被看作有一定等级的平行加工系统。结论 :与传统互相关分析相比 ,本研究的方法更为客观 ,并适合于定量分析两种不同任务所激活的脑活动的差异
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Institute of Psychology,Chinese Academy Of Sciences
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oai:ir.psych.ac.cn:311026/2077
Last time updated on 08/08/2019
Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.psych.ac.cn:311026/2076
Last time updated on 25/07/2018