S1 is associated with chronic low back pain: a functional and structural MRI study

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S1 is associated with chronic low back pain: a functional and structural MRI study

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Title: S1 is associated with chronic low back pain: a functional and structural MRI study
Author: Kong, Jian; Spaeth, Rosa B; Wey, Hsiao-Ying; Cheetham, Alexandra; Cook, Amanda H; Jensen, Karin; Tan, Ying; Liu, Hesheng; Wang, Danhong; Loggia, Marco L; Napadow, Vitaly; Smoller, Jordan W; Wasan, Ajay D; Gollub, Randy L

Note: Order does not necessarily reflect citation order of authors.

Citation: Kong, J., R. B. Spaeth, H. Wey, A. Cheetham, A. H. Cook, K. Jensen, Y. Tan, et al. 2013. “S1 is associated with chronic low back pain: a functional and structural MRI study.” Molecular Pain 9 (1): 43. doi:10.1186/1744-8069-9-43. http://dx.doi.org/10.1186/1744-8069-9-43.
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Abstract: A fundamental characteristic of neural circuits is the capacity for plasticity in response to experience. Neural plasticity is associated with the development of chronic pain disorders. In this study, we investigated 1) brain resting state functional connectivity (FC) differences between patients with chronic low back pain (cLBP) and matched healthy controls (HC); 2) FC differences within the cLBP patients as they experienced different levels of endogenous low back pain evoked by exercise maneuvers, and 3) morphometric differences between cLBP patients and matched HC. We found the dynamic character of FC in the primary somatosensory cortex (S1) in cLBP patients, i.e., S1 FC decreased when the patients experienced low intensity LBP as compared with matched healthy controls, and FC at S1 increased when cLBP patients experienced high intensity LBP as compared with the low intensity condition. In addition, we also found increased cortical thickness in the bilateral S1 somatotopically associated with the lower back in cLBP patients as compared to healthy controls. Our results provide evidence of structural plasticity co-localized with areas exhibiting FC changes in S1 in cLBP patients.
Published Version: doi:10.1186/1744-8069-9-43
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3765748/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11876991
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