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Overt responses during fMRI scanning and potential solutions of the artifacts
Authors
于薇
张兆琪
+4 more
王晓怡
翁旭初
谭向杰
马力飞
Publication date
1 January 2004
Publisher
Abstract
目的 探讨发声任务对功能磁共振成像的影响 ,并发展一系列数据处理方法 ,从而更完全地校正发声伪影。方法 8名被试在磁共振扫描过程中执行汉字阅读任务 ,以 2 0 0个汉字作为刺激材料。每名被试完成两个发声阅读序列和两个默声阅读序列。采用三种不同的数据处理方法 ,其中前两种方法已有报道 ,而最后一种方法为本文首次提出。结果 与前两种方法相比 ,本文提出的方法更完全地校正了发声伪影的影响 ,信号的损失也较小。结论 利用适当的数据处理方法 ,功能磁共振研究中发声伪影可以得到有效校正 ; 发声任务可以应用于功能磁共振成像研究
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Institute of Psychology,Chinese Academy Of Sciences
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oai:ir.psych.ac.cn:311026/1889
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
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oai:ir.psych.ac.cn:311026/1888
Last time updated on 25/07/2018