Static and dynamic functional network connectivity (FNC) analyses were applied to determine the abnormal connectivity patterns among the large-scale brain networks in obsessive-compulsive disorder patients. We found that static FNC analysis showed more obvious group differences than dynamic FNC. Decreased functional connectivity between visual network and DMN has been shown in both static and dynamic FNC analysis, it could be considered as the most stable connectivity change of functional brain networks in OCD patients. These findings advocate the using of both static and dynamic FNC to help truly understanding the alterations of brain networks.
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