Interbrain substrates of role switching during mother–child interaction

Author:

Li Yamin12ORCID,Wu Saishuang3,Xu Jiayang1,Wang Haiwa3,Zhu Qi3,Shi Wen4,Fang Yue5,Jiang Fan3,Tong Shanbao1,Zhang Yunting6,Guo Xiaoli1ORCID

Affiliation:

1. School of Biomedical Engineering Shanghai Jiao Tong University Shanghai China

2. Department of Computer Science Vanderbilt University Nashville Tennessee USA

3. Department of Developmental and Behavioral Pediatrics National Children's Medical Center, Shanghai Children's Medical Center, Affiliated to School of Medicine Shanghai Jiao Tong University Shanghai China

4. Department of Biomedical Engineering Johns Hopkins University School of Medicine Baltimore Maryland USA

5. China Welfare Institute Nursery Shanghai China

6. Child Health Advocacy Institute National Children's Medical Center, Shanghai Children's Medical Center, Affiliated to School of Medicine Shanghai Jiao Tong University Shanghai China

Abstract

AbstractMother–child interaction is highly dynamic and reciprocal. Switching roles in these back‐and‐forth interactions serves as a crucial feature of reciprocal behaviors while the underlying neural entrainment is still not well‐studied. Here, we designed a role‐controlled cooperative task with dual EEG recording to explore how differently two brains interact when mothers and children hold different roles. When children were actors and mothers were observers, mother–child interbrain synchrony emerged primarily within the theta oscillations and the frontal lobe, which highly correlated with children's attachment to their mothers (self‐reported by mothers). When their roles were reversed, this synchrony was shifted to the alpha oscillations and the central area and associated with mothers' perception of their relationship with their children. The results suggested an observer‐actor neural alignment within the actor's oscillations, which was related to the actor‐toward‐observer emotional bonding. Our findings contribute to the understanding of how interbrain synchrony is established and dynamically changed during mother–child reciprocal interaction.

Funder

National Key Research and Development Program of China

Innovative Research Team of High-level Local University in Shanghai

National Natural Science Foundation of China

Publisher

Wiley

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