Fig. 1. Example of fMRI task. During the scanning, participants were shown pictures composed of human limbs and objects. In the SP block, they were instructed to imagine themselves in the situations in the pictures and to rate the pain they would feel. In the OP block, they were instructed to imagine the situations in the pictures happening to another person and to rate the level of pain they believed that person would feel. The instructions at the start of each block were presented in Korean. OP, other-perspective taking in painful situations; SP, self-perspective taking in painful situations.