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Altered resting-state functional connectivity within corticostriatal and subcortical-striatal circuits in chronic pain.

Publication ,  Journal Article
Park, SH; Baker, AK; Krishna, V; Mackey, SC; Martucci, KT
Published in: Sci Rep
July 25, 2022

Brain corticostriatal circuits are important for understanding chronic pain and highly relevant to motivation and cognitive processes. It has been demonstrated that in patients with chronic back pain, altered nucleus accumbens (NAcc)-medial prefrontal cortex (MPFC) circuit fMRI-based activity is predictive of patient outcome. We evaluated the NAcc-MPFC circuit in patients with another chronic pain condition, fibromyalgia, to extend these important findings. First, we compared fMRI-based NAcc-MPFC resting-state functional connectivity in patients with fibromyalgia (N = 32) vs. healthy controls (N = 37). Compared to controls, the NAcc-MPFC circuit's connectivity was significantly reduced in fibromyalgia. In addition, within the fibromyalgia group, NAcc-MPFC connectivity was significantly correlated with trait anxiety. Our expanded connectivity analysis of the NAcc to subcortical brain regions showed reduced connectivity of the right NAcc with mesolimbic circuit regions (putamen, thalamus, and ventral pallidum) in fibromyalgia. Lastly, in an exploratory analysis comparing our fibromyalgia and healthy control cohorts to a separate publicly available dataset from patients with chronic back pain, we identified reduced NAcc-MPFC connectivity across both the patient groups with unique alterations in NAcc-mesolimbic connectivity. Together, expanding upon prior observed alterations in brain corticostriatal circuits, our results provide novel evidence of altered corticostriatal and mesolimbic circuits in chronic pain.

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Published In

Sci Rep

DOI

EISSN

2045-2322

Publication Date

July 25, 2022

Volume

12

Issue

1

Start / End Page

12683

Location

England

Related Subject Headings

  • Neural Pathways
  • Magnetic Resonance Imaging
  • Humans
  • Fibromyalgia
  • Chronic Pain
  • Brain Mapping
  • Brain
 

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Park, S. H., Baker, A. K., Krishna, V., Mackey, S. C., & Martucci, K. T. (2022). Altered resting-state functional connectivity within corticostriatal and subcortical-striatal circuits in chronic pain. Sci Rep, 12(1), 12683. https://doi.org/10.1038/s41598-022-16835-7
Park, Su Hyoun, Anne K. Baker, Vinit Krishna, Sean C. Mackey, and Katherine T. Martucci. “Altered resting-state functional connectivity within corticostriatal and subcortical-striatal circuits in chronic pain.Sci Rep 12, no. 1 (July 25, 2022): 12683. https://doi.org/10.1038/s41598-022-16835-7.
Park SH, Baker AK, Krishna V, Mackey SC, Martucci KT. Altered resting-state functional connectivity within corticostriatal and subcortical-striatal circuits in chronic pain. Sci Rep. 2022 Jul 25;12(1):12683.
Park, Su Hyoun, et al. “Altered resting-state functional connectivity within corticostriatal and subcortical-striatal circuits in chronic pain.Sci Rep, vol. 12, no. 1, July 2022, p. 12683. Pubmed, doi:10.1038/s41598-022-16835-7.
Park SH, Baker AK, Krishna V, Mackey SC, Martucci KT. Altered resting-state functional connectivity within corticostriatal and subcortical-striatal circuits in chronic pain. Sci Rep. 2022 Jul 25;12(1):12683.

Published In

Sci Rep

DOI

EISSN

2045-2322

Publication Date

July 25, 2022

Volume

12

Issue

1

Start / End Page

12683

Location

England

Related Subject Headings

  • Neural Pathways
  • Magnetic Resonance Imaging
  • Humans
  • Fibromyalgia
  • Chronic Pain
  • Brain Mapping
  • Brain