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Chinese Journal of Cerebrovascular Diseases(Electronic Edition) ›› 2022, Vol. 16 ›› Issue (04): 280-283. doi: 10.11817/j.issn.1673-9248.2022.04.011

• Review • Previous Articles     Next Articles

Research progress of brain structure-function network changes in motor dysfunction after acute stroke

Yujie Li1, Rong Chen1,()   

  1. 1. Department of Neurology, First Affiliated Hospital of Hainan Medical College, Haikou 570100, China
  • Received:2021-08-14 Online:2022-08-01 Published:2022-08-22
  • Contact: Rong Chen

Abstract:

The brain function network refers to the time-correlated imaging principle of resting-state blood oxygen level-dependent (BOLD) functional magnetic resonance imaging (fMRI) signal to present the functional connection network among the spatially separated areas of the brain. The brain structure connectivity is detected by the diffusion magnetic resonance of water. The molecular diffusion anisotropy imaging principle is used to track the white matter fiber bundles and the structural connection network. fMRI plays a critical hub in the related research of brain structure-function connection. fMRI is an important technology to explore the changes in brain structure-function network after cerebral infarction. Diffusion tensor imaging can visualize nerve fibers and intuitively observe the severity of nerve fiber damage, but it cannot reflect changes in brain functional networks. Resting-state fMRI can reflect the time correlation of the BOLD signal changes in the separated areas of the brain, and indirectly reflect the changes in the brain functional network. This review is to explore the brain structure-function network changes in patients with motor dysfunction after cerebral infarction, and summarizes the prognostic value of brain structure-function network changes in patients with post-stroke motor dysfunction.

Key words: Brain function network, Functional magnetic resonance imaging, Motor dysfunction

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