期刊
FRONTIERS IN PSYCHIATRY
卷 12, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fpsyt.2021.718400
关键词
social cognition; resting state; self; other processing; functional connectivity; default mode network; salience network
类别
资金
- BIAL Foundation [217/16]
- School of Psychology, University of Minho
- Portuguese Foundation for Science and Technology (FCT) through the Portuguese State Budget [UIDB/PSI/01662/2020]
- Portuguese Ministry of Education and Science - FEDER through COMPETE2020 under the PT2020 Partnership Agreement [POCI-01-0145-FEDER-007653]
- FCT [UIDB/04872/2020]
- Fundação para a Ciência e a Tecnologia [UIDB/04872/2020] Funding Source: FCT
Social cognition relies on two main subsystems, the default mode network (DMN) and the salience network (SN), to construct the understanding of others. The functional connectivity (FC) patterns of DMN and SN change during the transition from resting state to social task performance. The anterior and posterior regions of DMN exhibit increased FC during social task performance, while the SN connectivity is more limited in the Other condition compared to the Self and Rest conditions.
Social cognition relies on two main subsystems to construct the understanding of others, which are sustained by different social brain networks. One of these social networks is the default mode network (DMN) associated with the socio-cognitive subsystem (i.e., mentalizing), and the other is the salience network (SN) associated with the socio-affective route (i.e., empathy). The DMN and the SN are well-known resting state networks that seem to constitute a baseline for the performance of social tasks. We aimed to investigate both networks' functional connectivity (FC) pattern in the transition from resting state to social task performance. A sample of 38 participants involved in a monogamous romantic relationship completed a questionnaire of dyadic empathy and underwent an fMRI protocol that included a resting state acquisition followed by a task in which subjects watched emotional videos of their romantic partner and elaborated on their partner's (Other condition) or on their own experience (Self condition). Independent component and ROI-to-ROI correlation analysis were used to assess alterations in task-independent (Rest condition) and task-dependent (Self and Other conditions) FC. We found that the spatial FC maps of the DMN and SN evidenced the traditional regions associated with these networks in the three conditions. Anterior and posterior DMN regions exhibited increased FC during the social task performance compared to resting state. The Other condition revealed a more limited SN's connectivity in comparison to the Self and Rest conditions. The results revealed an interplay between the main nodes of the DMN and the core regions of the SN, particularly evident in the Self and Other conditions.
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