Abstract
Background
Basal ganglia and cerebellum are structurally and functionally connected in animals. In humans, tractography and seed-based functional connectivity have confirmed this cerebellar-striatal relation. Independent component analysis (ICA) showed that both cerebellum and basal ganglia take part in distinct intrinsic networks.
Methods
Probabilistic ICA analysis was applied to the brain images of 15 healthy volunteers during the resting state and using a 3 T MRI.
Results
A spatial map corresponding to dorsal and ventral basal ganglia circuits was also found to be in functional coherence with crus 2, especially with its vermal region.
Conclusion
It is speculated that such cerebellar-basal ganglionic rsFC could reflect structural interconnections traced in animals and explain reward-based activity detected in the cerebellum.
Data Availability
The author will send data on request.
Abbreviations
- ICA:
-
Independent component analysis
- rsFC:
-
Resting-state functional connectivity
- ICNs:
-
Intrinsically connected networks
- BG:
-
Basal ganglia
- PICA:
-
Probabilistic independent component analysis
- PPT:
-
Posterior probability threshold
- BGIN:
-
Basal ganglia-centered intrinsic network
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The author thanks Pr Mario Manto.
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C Habas: data collecting, data processing, and manuscript writing. The author read and approved the final manuscript.
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The study in 2009 was approved by the Standford Institutional Review Board.
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Habas, C. Research Note: Functional Connectivity Between a Corticostriatal Network and the Cerebellum. Cerebellum 21, 520–524 (2022). https://doi.org/10.1007/s12311-021-01316-w
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DOI: https://doi.org/10.1007/s12311-021-01316-w