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Abnormal thalamocortical network dynamics in migraine.
- Source :
-
Neurology [Neurology] 2019 Jun 04; Vol. 92 (23), pp. e2706-e2716. Date of Electronic Publication: 2019 May 10. - Publication Year :
- 2019
-
Abstract
- Objective: To investigate the dynamic functional connectivity of thalamocortical networks in interictal migraine patients and whether clinical features are associated with abnormal connectivity.<br />Methods: We investigated dynamic functional network connectivity (dFNC) of the migraine brain in 89 interictal migraine patients and 70 healthy controls. We focused on the temporal properties of thalamocortical connectivity using sliding window cross-correlation, clustering state analysis, and graph-theory methods. Relationships between clinical symptoms and abnormal dFNC were evaluated using a multivariate linear regression model.<br />Results: Five dFNC brain states were identified to characterize and compare dynamic functional connectivity patterns. We demonstrated that migraineurs spent more time in a strongly interconnected between-network state, but they spent less time in a sparsely connected state. Interestingly, we found that abnormal posterior thalamus (pulvinar nucleus) dFNC with the visual cortex and the precuneus were significantly correlated with headache frequency of migraine. Further topologic measures revealed that migraineurs had significantly lower efficiency of information transfer in both global and local dFNC.<br />Conclusion: Our results demonstrated a transient pathologic state with atypical thalamocortical connectivity in migraineurs and extended current findings regarding abnormal thalamocortical networks and dysrhythmia in migraine.<br /> (© 2019 American Academy of Neurology.)
- Subjects :
- Case-Control Studies
Cerebral Cortex diagnostic imaging
Cerebral Cortex physiopathology
Female
Functional Neuroimaging
Humans
Magnetic Resonance Imaging
Male
Migraine Disorders physiopathology
Neural Pathways diagnostic imaging
Neural Pathways physiopathology
Parietal Lobe physiopathology
Pulvinar physiopathology
Thalamus diagnostic imaging
Thalamus physiopathology
Visual Cortex physiopathology
Young Adult
Migraine Disorders diagnostic imaging
Parietal Lobe diagnostic imaging
Pulvinar diagnostic imaging
Visual Cortex diagnostic imaging
Subjects
Details
- Language :
- English
- ISSN :
- 1526-632X
- Volume :
- 92
- Issue :
- 23
- Database :
- MEDLINE
- Journal :
- Neurology
- Publication Type :
- Academic Journal
- Accession number :
- 31076535
- Full Text :
- https://doi.org/10.1212/WNL.0000000000007607