Similarity or complementarity? Understanding marital relationships in terms of sexual dimorphism in brain morphometry and gender roles

Lei Li, Xinyue Huang, Qingyu Zheng, Jinming Xiao, Xiaolong Shan, Huafu Chen, Xujun Duan

Abstract: Highlights•A “complementarity” nature of married couples was found in masculine characteristics.•A “similarity” nature of married couples was found in feminine characteristics.•Sexual dimorphism in brain morphometry and mating selection shared a common transcriptional mechanism.