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A modified temporal self-correlation method for analysis of fMRI time series
Lu, YL; Zang, YF; Jiang, TZ
Source PublicationNEUROINFORMATICS
2003-09-01
Volume1Issue:3Pages:259-269
SubtypeArticle
AbstractTemporal 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.
KeywordFmri Time Series Temporal Self-correlation Hemodynamic Response Function Pearson Correlation
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
WOS KeywordACTIVATION
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Neurosciences & Neurology
WOS SubjectComputer Science, Interdisciplinary Applications ; Neurosciences
WOS IDWOS:000186095000004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9878
Collection09年以前成果
Affiliation1.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
2.Univ Houston, Dept Comp Sci, Houston, TX 77204 USA
Recommended Citation
GB/T 7714
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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