静息状态磁共振成像下社会比较倾向默认网络的功能连通性研究。

IF 2.3 3区心理学 Q2 BEHAVIORAL SCIENCES

Behavioural Brain Research Pub Date : 2025-09-30 DOI:10.1016/j.bbr.2025.115859

Fenghua Zhang , Jin Yang , Xiaoqiang Yao , Chengzhen Liu , Xueyang Wang

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引用次数: 0

摘要

社会比较是个体参与社会互动的一个重要过程。它具有双重性质，既能产生积极的影响，也能产生消极的影响。因此，研究社会比较的神经加工机制具有重要意义。本研究采用静息状态功能磁共振成像（rs-fMRI）分析了与社会比较倾向相关的默认模式网络（DMN）的功能连通性。结果表明，DMN与辅助运动区、顶叶下小叶、扣带回、角回、钙钙沟和额上回等皮质区域之间的功能连通性越强，意见比较水平越高。相比之下，能力比较与基于dmn的全脑功能连接之间没有明显的相关性。此外，意见比较与能力比较之间存在分离，性别在意见比较的神经机制中起调节作用。这些发现强调了基于意见的社会比较和DMN连接之间的独特关系，为社会比较背后的过程提供了新的神经见解。

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Study on functional connectivity of default network in social comparison tendency under resting-state functional magnetic resonance imaging

Social comparison is a crucial process for individuals engaging in social interactions. It exhibits a dual nature, capable of producing both positive and negative effects. Therefore, investigating the neural processing mechanisms underlying social comparison is of great significance. In this study, resting-state functional magnetic resonance imaging (rs-fMRI) was employed to analyze the functional connectivity of the default mode network (DMN) related to social comparison tendency. The results showed that stronger functional connectivity between the DMN and several cortical regions—including the supplementary motor area, inferior parietal lobule, cingulate gyrus, angular gyrus, calcarine sulcus, and superior frontal gyrus—was significantly correlated with higher levels of opinion comparison. In contrast, no significant correlation was found between ability comparison and DMN-based whole-brain functional connectivity. Furthermore, a dissociation between opinion and ability comparison was observed, and gender was identified as a moderating factor in the neural mechanisms of opinion comparison. These findings emphasize a unique relationship between opinion-based social comparison and DMN connectivity, offering novel neural insights into the processes underlying social comparison.

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来源期刊

Behavioural Brain Research 医学-行为科学

CiteScore

5.60

自引率

0.00%

发文量

383

审稿时长

61 days

期刊介绍： Behavioural Brain Research is an international, interdisciplinary journal dedicated to the publication of articles in the field of behavioural neuroscience, broadly defined. Contributions from the entire range of disciplines that comprise the neurosciences, behavioural sciences or cognitive sciences are appropriate, as long as the goal is to delineate the neural mechanisms underlying behaviour. Thus, studies may range from neurophysiological, neuroanatomical, neurochemical or neuropharmacological analysis of brain-behaviour relations, including the use of molecular genetic or behavioural genetic approaches, to studies that involve the use of brain imaging techniques, to neuroethological studies. Reports of original research, of major methodological advances, or of novel conceptual approaches are all encouraged. The journal will also consider critical reviews on selected topics.