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. 2016 Jun 21;139(8):2198–2210. doi: 10.1093/brain/aww145

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© The Author (2016). Published by Oxford University Press on behalf of the Guarantors of Brain.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Dynamic causal modelling results. (A) Excitatory interregional (blue arrows) and inhibitory within-region (red arrows) connections between sensorimotor cortex (SMC), motor thalamus (VIM), and contralateral cerebellum (CC), and the driving effect of DBS on VIM yellow are shown overlaid on the group DBS-evoked activation map. Connectivity parameters significantly different from zero are shown in A, and the estimated values for all connectivity parameters are shown in B (*P < 0.05, ^**P < 0.001). (C) A significant correlation (P < 0.05) was observed between within-region inhibitory connectivity in contralateral cerebellum and percent reduction in contralateral tremor score.