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Abstract #5333

Group level property of functional correlation tensor can reveal default mode network

Yang Fan1, Jing Wang2, Bingjiang Lyu3, Bing Wu1, and Zhenyu Zhou1

1MR Research China, GE Healthcare, Beijing, People's Republic of China, 2Center for Medical Device Evaluation, CFDA, Beijing, People's Republic of China, 3Center for MRI Reserch, Peking University, Beijing, People's Republic of China

Recently, a novel technique was proposed directly integrated resting-state fMRI and DTI to construct a local spatio-temporal correlation tensor from resting state fMRI data. In individual level, the functional correlation tensor can be used to tract white matter fibers. However, there is no knowledge of group level property of functional correlation tensor. In the present study, group averaged tensorial properties (e.g. FA and trace) of functional correlation tensor were investigated. It is shown that the group averaged trace map of functional tensor can reveal default mode network. And our results are consistent across different datasets.

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