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Investigating resting-state functional connectivity in the cervical spinal cord at 3 T
Eippert, Falk1; Kong, Yazhuo1,2; Winkler, Anderson M.1; Andersson, Jesper L.1; Finsterbusch, Juergen3; Buechel, Christian3; Brooks, Jonathan C. W.4; Tracey, Irene1
2017-02-15
发表期刊NEUROIMAGE
ISSN1053-8119
文章类型Article
卷号147页码:589-601
摘要The study of spontaneous fluctuations in the blood-oxygen-level-dependent (BOLD) signal has recently been extended from the brain to the spinal cord. Two ultra-high field functional magnetic resonance imaging (fMRI) studies in humans have provided evidence for reproducible resting-state connectivity between the dorsal horns as well as between the ventral horns, and a study in non-human primates has shown that these resting-state signals are impacted by spinal cord injury. As these studies were carried out at ultra-high field strengths using region-of-interest (ROI) based analyses, we investigated whether such resting-state signals could also be observed at the clinically more prevalent field strength of 3 T. In a reanalysis of a sample of 20 healthy human participants who underwent a resting-state fMRI acquisition of the cervical spinal cord, we were able to observe significant dorsal horn connectivity as well as ventral horn connectivity, but no consistent effects for connectivity between dorsal and ventral horns, thus replicating the human 7 T results. These effects were not only observable when averaging along the acquired length of the spinal cord, but also when we examined each of the acquired spinal segments separately, which showed similar patterns of connectivity. Finally, we investigated the robustness of these resting-state signals against variations in the analysis pipeline by varying the type of ROI creation, temporal filtering, nuisance regression and connectivity metric. We observed that - apart from the effects of band-pass filtering - ventral horn connectivity showed excellent robustness, whereas dorsal horn connectivity showed moderate robustness. Together, our results provide evidence that spinal cord resting-state connectivity is a robust and spatially consistent phenomenon that could be a valuable tool for investigating the effects of pathology, disease progression, and treatment response in neurological conditions with a spinal component, such as spinal cord injury.
DOI10.1016/j.neuroimage.2016.12.072
收录类别SCI ; SSCI
语种英语
项目资助者National Research Council of Brazil (CNPq)(211534/2013-7) ; DFG(FOR 1328 ; ERC(2010-AdG_20100407) ; Wellcome Trust(102645 ; NIHR Oxford Biomedical Research Centre ; Medical Research Council UK(G0700238) ; SFB 936) ; 098369/Z/12/Z)
WOS研究方向Neurosciences & Neurology ; Radiology, Nuclear Medicine & Medical Imaging
WOS类目Neurosciences ; Neuroimaging ; Radiology, Nuclear Medicine & Medical Imaging
WOS记录号WOS:000394560600052
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]CEREBROSPINAL-FLUID FLOW ; HUMAN BRAIN-STEM ; OF-THE-ART ; DORSAL-HORN ; RESPIRATORY MOTONEURONS ; MODELING METHODS ; FMRI SIGNAL ; MR-IMAGES ; NOISE ; NETWORKS
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/21316
专题认知与发展心理学研究室
作者单位1.Univ Oxford, Nuffield Dept Clin Neurosci, Oxford Ctr Funct Magnet Resonance Imaging Brain, Oxford, England
2.Chinese Acad Sci, Inst Psychol, Magnet Resonance Imaging Res Ctr, Beijing, Peoples R China
3.Univ Med Ctr Hamburg Eppendorf, Dept Syst Neurosci, Hamburg, Germany
4.Univ Bristol, Clin Res & Imaging Ctr, Bristol, Avon, England
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Eippert, Falk,Kong, Yazhuo,Winkler, Anderson M.,et al. Investigating resting-state functional connectivity in the cervical spinal cord at 3 T[J]. NEUROIMAGE,2017,147:589-601.
APA Eippert, Falk.,Kong, Yazhuo.,Winkler, Anderson M..,Andersson, Jesper L..,Finsterbusch, Juergen.,...&Tracey, Irene.(2017).Investigating resting-state functional connectivity in the cervical spinal cord at 3 T.NEUROIMAGE,147,589-601.
MLA Eippert, Falk,et al."Investigating resting-state functional connectivity in the cervical spinal cord at 3 T".NEUROIMAGE 147(2017):589-601.
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