Significant concordance of genetic variation that increases both the risk for obsessive-compulsive disorder and the volumes of the nucleus accumbens and putamen. - Hibar, Derrek P.; Cheung, Joshua W.; Medland, Sarah E.; Mufford, Mary S.; Jahanshad, Neda; Dalvie, Shareefa; Ramesar, Raj; Stewart, Evelyn; van den Heuvel, Odile A.; Pauls, David L.; Knowles, James A.; Stein, Dan J.; et al. (British Journal of Psychiatry, 2018)