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Updated: Apr 28, 2026
Deep Brain Stimulation with Simultaneous fMRI in Rodents
Published on: February 15, 2014
Subthalamic nucleus deep brain stimulation induces motor network BOLD activation: use of a high precision MRI guided
Hoon-Ki Min1,2,3, Erika K Ross1, Kendall H Lee1,2
1Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Background:
Functional magnetic resonance imaging (fMRI) is a powerful method for identifying in vivo network activation evoked by deep brain stimulation (DBS).
Objective:
Identify the global neural circuitry effect of subthalamic nucleus (STN) DBS in nonhuman primates (NHP).
Method:
An in-house developed MR image-guided stereotactic targeting system delivered a mini-DBS stimulating electrode, and blood oxygenation level-dependent (BOLD) activation during STN DBS in healthy NHP was measured by combining fMRI with a normalized functional activation map and general linear modeling.
Results:
STN DBS significantly increased BOLD activation in the sensorimotor cortex, supplementary motor area, caudate nucleus, pedunculopontine nucleus, cingulate, insular cortex, and cerebellum (FDR < 0.001).
Conclusion:
Our results demonstrate that STN DBS evokes neural network grouping within the motor network and the basal ganglia. Taken together, these data highlight the importance and specificity of neural circuitry activation patterns and functional connectivity.
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