Abstract #1343
Inter-vender and Inter-session Reliability of Resting State Functional Magnetic Resonance Imaging (rsfMRI): Implications for Multicenter Studies
Won-Jin Moon 1 , Hyeong Su An 2 , Jae-Kyun Ryu 3 , Ju Yeon Park 4 , Won Sung Yun 4 , Jin Woo Choi 4 , Geon-Ho Jahng 5 , and Jang-Yeon Park 6
1
Department of Radiology, Konkuk University
School of Medicine, Seoul, Seoul, Korea,
2
1.
Department of Radiology, Konkuk University School of
Medicine, Seoul, Korea,
3
2.
Department of Biomedical Engineering, Konkuk University,
Seoul, Korea,
4
Konkuk
University School of Medicine, Seoul, Korea,
5
Kyunghee
University, Seoul, Korea,
6
Konkuk
University, Seoul, Korea
This study evaluated inter-vender reliability and
inter-session reliability of rsfMRI by using temporal
signal-to-noise ratio (tSNR) and connectivity of
default-mode network (DMN).Although tSNR of rsfMRI was
relatively good-to-excellent on three different 3-T MRI
(from three different venders) on two different
occasions, some inter-vender and inter-session
differences in connectivity of the DMN were observed.
Therefore, researchers using rsfMRI should be aware of
these limitations especially in case of longitudinally
designed multicenter studies.
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