NeurosciencePublished 27 July 2012Is dorsal anterior cingulate cortex activation in response to social exclusion due to expectancy violation? An fMRI studyTaishi Kawamoto · Keiichi Onoda · Ken'ichiro Nakashima · Hiroshi Nittono · Shuhei Yamaguchi · Mitsuhiro UraFrontiers in Evolutionary Neurosciencedoi 10.3389/fnevo.2012.00011