期刊
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
卷 87, 期 -, 页码 151-160出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2018.01.016
关键词
Obsessive-compulsive disorder; Resting-state fMRI; Meta-analysis; Functional connectivity; Intrinsic brain networks; Fronto-striatal circuitry; Triple network model
资金
- Deutsche Forschungsgemeinschaft (DFG) [KO 3744/7-1]
Neuroimaging studies report evidence for two distinct pathophysiological models of obsessive-compulsive disorder (OCD): disrupted fronto-striatal circuits and impaired large-scale fronto-parietal-limbic intrinsic brain networks, defined by functionally connected (FC) infra-slow oscillations in ongoing brain activity. To synthesize this literature and overcome inconsistencies, we conducted a coordinate-based meta-analysis of 18 whole-brain resting-state functional magnetic resonance imaging (fMRI) studies (541 patients, 572 healthy controls) comparing seed-based FC between OCD patients and healthy controls. In patients, the meta-analysis revealed (1) consistent hypoconnectivity within frontoparietal and salience network, and between salience, frontoparietal and default-mode network, and (2) consistent general dysconnectivity (no specific direction of connectivity change) within default-mode and frontoparietal network, as well as between frontoparietal, default-mode, and salience networks. Between-network hypoconnectivity provides evidence for the triple-network model in OCD, while aberrant within-network connectivity of frontoparietal and striatal regions supports reports of aberrant fronto-striatal circuitry. Therefore, results corroborate both models of OCD pathophysiology and link them by underlining the importance of intrinsic connectivity of frontoparietal regions which are common to both models.
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