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A modified temporal self-correlation method for analysis of fMRI time series
Lu, YL; Zang, YF; Jiang, TZ
2003-09-01
发表期刊NEUROINFORMATICS
卷号1期号:3页码:259-269
文章类型Article
摘要Temporal self-correlation has recently been proposed as a measure for fMRI-activation detection. In this paper, a modified temporal self-correlation method is introduced. The modified temporal self-correlation is based on the expectation value and standard deviation of the correlation coefficients between all pairs of epochs, while the original temporal self-correlation method is only based on the expectation value. Performance of the proposed method is evaluated on both simulated and in vivo fMRI data. Compared with the original temporal self-correlation method, the proposed method shows a significant improvement. In addition, a technique for quantitative comparison of different fMRI data analysis methods is proposed.
关键词Fmri Time Series Temporal Self-correlation Hemodynamic Response Function Pearson Correlation
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
关键词[WOS]ACTIVATION
收录类别SCI
语种英语
WOS研究方向Computer Science ; Neurosciences & Neurology
WOS类目Computer Science, Interdisciplinary Applications ; Neurosciences
WOS记录号WOS:000186095000004
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9878
专题09年以前成果
作者单位1.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
2.Univ Houston, Dept Comp Sci, Houston, TX 77204 USA
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Lu, YL,Zang, YF,Jiang, TZ. A modified temporal self-correlation method for analysis of fMRI time series[J]. NEUROINFORMATICS,2003,1(3):259-269.
APA Lu, YL,Zang, YF,&Jiang, TZ.(2003).A modified temporal self-correlation method for analysis of fMRI time series.NEUROINFORMATICS,1(3),259-269.
MLA Lu, YL,et al."A modified temporal self-correlation method for analysis of fMRI time series".NEUROINFORMATICS 1.3(2003):259-269.
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