Higher emotional synchronization is modulated by relationship quality in romantic relationships and not in close friendships. - Yijun Chen; Shen Liu; Yaru Hao; Qian Zhao 033; Jiecheng Ren; Yi Piao; Liuyun Wang; Yunping Yang; Chenggong Jin; Hangwei Wang; Xuezhi Zhou; Jia-Hong Gao 001; et al. (NeuroImage, 2024)