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Abstract #4215

Localized connectivity in obsessive-compulsive disorder: An insight from univariate and multivariate pattern analyses

Xinyu Hu1, Ming Zhou1, Lu Lu1, Lianqing Zhang1, Xiaoxiao Hu1, Xuan Bu1, Hailong Li1, Yanchun Yang2, Qiyong Gong1, and Xiaoqi Huang1

1Department of Radiology, Huaxi MR Research Center (HMRRC), West China Hospital of Sichuan University, Chengdu, People's Republic of China, 2Department of Psychiatry, Mental Health Center, West China Hospital of Sichuan University, Chengdu, People's Republic of China

The current study, for the first time, integrated voxel-wise univariate analysis and multivariate pattern classification approach to evaluate the alterations of localized neural connectivity in a relatively large sample of drug-naive patients with obsessive-compulsive disorder (OCD). Our findings (i) suggested the disequilibrium between the fronto-parietal circuit and the cerebellum might be associated with the pathophysiology of OCD, (ii) indicated the translational role of the localized neural connectivity as a potential discriminative pattern to identify OCD at the individual level and (iii) highlighted the hyperactivation of the prefrontal cortex in the pathophysiologic process of OCD.

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