Abstract #4141
Estimating Test-Retest Reliability in Functional MR Imaging: three-state independence model
Yue Zhang 1 , Xiaoying Wang 2 , Jue Zhang 1 , Xiaoping Hu 3 , and Jing Fang 1
1
College of Engineering, Peking University,
Beijing, Beijing, China,
2
Department
of Radiology, Peking University First Hospital, Beijing,
Beijing, China,
3
Department of Biomedical
Engineering, Georgia Institute of Technology / Emory
University, Atlanta, Georgia, United States
The reliability is important for functional magnetic
resonance imaging (fMRI) data. Previous study has
developed a statistical model (independence model) to
quantify the test-retest reliability with only two
states (active or inactive). More and more fMRI
experiments have detected three state regions in the
brain, including active, deactive and non-significant
regions. In order to quantify the test-retest
reliability of the fMRI data with three state regions,
this study developed the three-state independence model.
The model was applied to acupuncture fMRI data, the
results indicated that the reliability of BOLD was
higher than that of CBF.
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