Premika S W Boedhoe, Lianne Schmaal, Yoshinari Abe, Stephanie H Ameis, Paul D Arnold, Marcelo C Batistuzzo, Francesco Benedetti, Jan C Beucke, Irene Bollettini, Anushree Bose, Silvia Brem, Anna Calvo, Yuqi Cheng, Kang Ik K Cho, Sara Dallaspezia, Damiaan Denys, Kate D Fitzgerald, Jean-Paul Fouche, Mònica Giménez, Patricia Gruner, Gregory L Hanna, Derrek P Hibar, Marcelo Q Hoexter, Hao Hu, Chaim Huyser, Keisuke Ikari, Neda Jahanshad, Norbert Kathmann, Christian Kaufmann, Kathrin Koch, Jun Soo Kwon, Luisa Lazaro, Yanni Liu, Christine Lochner, Rachel Marsh, Ignacio Martínez-Zalacaín, David Mataix-Cols, José M Menchón, Luciano Minuzzi, Takashi Nakamae, Tomohiro Nakao, Janardhanan C Narayanaswamy, Fabrizio Piras, Federica Piras, Christopher Pittenger, Y C Janardhan Reddy, Joao R Sato, H Blair Simpson, Noam Soreni, Carles Soriano-Mas, Gianfranco Spalletta, Michael C Stevens, Philip R Szeszko, David F Tolin, Ganesan Venkatasubramanian, Susanne Walitza, Zhen Wang, Guido A van Wingen, Jian Xu, Xiufeng Xu, Je-Yeon Yun, Qing Zhao, Paul M Thompson, Dan J Stein, Odile A van den Heuvel
OBJECTIVE: Structural brain imaging studies in obsessive-compulsive disorder (OCD) have produced inconsistent findings. This may be partially due to limited statistical power from relatively small samples and clinical heterogeneity related to variation in illness profile and developmental stage. To address these limitations, the authors conducted meta- and mega-analyses of data from OCD sites worldwide. METHOD: T1 images from 1,830 OCD patients and 1,759 control subjects were analyzed, using coordinated and standardized processing, to identify subcortical brain volumes that differ between OCD patients and healthy subjects...
January 1, 2017: American Journal of Psychiatry