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Abnormal Resting-State Activities and Functional Connectivities of the Anterior and the Posterior Cortexes in Medication-Naive Patients with Obsessive-Compulsive Disorder
Cheng, YQ; Xu, J; Nie BB(聂彬彬); Nie, BB; Luo, CR; Yang, T; Li, HJ; Lu, J; Xu, L; Shan, BC; Xu, XF;单保慈
2013
发表期刊PLOS ONE
卷号8期号:6页码:e67478
摘要Background: Obsessive-compulsive disorder (OCD) is a mental illness characterized by the loss of control. Because the cingulate cortex is believed to be important in executive functions, such as inhibition, we used functional magnetic resonance imaging (fMRI) techniques to examine whether and how activity and functional connectivity (FC) of the cingulate cortex were altered in drug-naive OCD patients. Methods: Twenty-three medication-naive OCD patients and 23 well-matched healthy controls received fMRI scans in a resting state. Functional connectivities of the anterior cingulate (ACC) and the posterior cingulate (PCC) to the whole brain were analyzed using correlation analyses based on regions of interest (ROI) identified by the fractional amplitude of low-frequency fluctuation (fALFF). Independent Component Analysis (ICA) was used to identify the resting-state sub-networks. Results: fALFF analysis found that regional activity was increased in the ACC and decreased in the PCC in OCD patients when compared to controls. FC of the ACC and the PCC also showed different patterns. The ACC and the PCC were found to belong to different resting-state sub-networks in ICA analysis and showed abnormal FC, as well as contrasting correlations with the severity of OCD symptoms. Conclusions: Activity of the ACC and the PCC were increased and decreased, respectively, in the medication-naive OCD patients compared to controls. Different patterns in FC were also found between the ACC and the PCC with respect to these two groups. These findings implied that the cardinal feature of OCD, the loss of control, may be attributed to abnormal activities and FC of the ACC and the PCC.
学科领域Science & Technology - Other Topics
DOI10.1371/journal.pone.0067478
收录类别SCI
WOS记录号WOS:000321148400089
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224733
专题核技术应用研究中心
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GB/T 7714
Cheng, YQ,Xu, J,Nie BB,et al. Abnormal Resting-State Activities and Functional Connectivities of the Anterior and the Posterior Cortexes in Medication-Naive Patients with Obsessive-Compulsive Disorder[J]. PLOS ONE,2013,8(6):e67478.
APA Cheng, YQ.,Xu, J.,聂彬彬.,Nie, BB.,Luo, CR.,...&Xu, XF;单保慈.(2013).Abnormal Resting-State Activities and Functional Connectivities of the Anterior and the Posterior Cortexes in Medication-Naive Patients with Obsessive-Compulsive Disorder.PLOS ONE,8(6),e67478.
MLA Cheng, YQ,et al."Abnormal Resting-State Activities and Functional Connectivities of the Anterior and the Posterior Cortexes in Medication-Naive Patients with Obsessive-Compulsive Disorder".PLOS ONE 8.6(2013):e67478.
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