Electromagnetic source reconstruction for group studies.

Electromagnetic source reconstruction for group studies.
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DOI:
10.1016/j.neuroimage.2008.06.022
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发表时间:
2008-10-01
期刊:
影响因子:
5.7
通讯作者:
Friston, Karl J.
Friston, Karl J.
中科院分区:
医学1区
文献类型:
--
作者:
Litvak, Vladimir;Friston, Karl J.

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本文的目的是在小组研究的背景下描述电磁(EEG 或 MEG)源重建的简单程序。这需要对基于分层模型反转的现有源重建技术进行简单扩展。该扩展确保在受试者的同一源子集中重建诱发或诱导反应。该程序有效地调整了受试者身上重建活动的部署,并显着增加了对群体或受试者之间诱发或诱导反应之间差异的检测。
The aim of this paper is to describe a simple procedure for electromagnetic (EEG or MEG) source reconstruction, in the context of group studies. This entails a simple extension of existing source reconstiruction techniques based upon the inversion of hierarchical models. The extension ensures that evoked or induced responses are reconstructed in the same subset of sources, over subjects. Effectively, the procedure aligns the deployment of reconstructed activity over subjects and increases, substantially, the detection of differences between evoked or induced responses at the group or between-subject level.
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