心智化网络依据社会反馈更新对约会对象的神经表征
The mentalizing network updates neural representations of romantic interest in response to social feedback
一项fMRI研究考察社会反馈如何改变人们对潜在约会对象的看法及思考频率。参与者观看八位约会对象的资料视频,并在收到对方反馈前后各扫描一次。依据摘要,心智化网络的神经表征在反馈与初始评价不一致时变化最大,提示对他人的浪漫兴趣至少部分取决于自己认为对方在想什么;静息态扫描中,颞顶联合区的重激活频率在反馈与初始评价一致时升高。
When we think about the start of a successful close relationship, we often imagine two people independently evaluating each other. But what if how much we like someone depends on how much we think they like us? In the current study, we asked how social feedback changes how one thinks about potential romantic partners, as well as how often one thinks about them. We hypothesized that the mentalizing network would play a role in both of these processes. During a functional magnetic resonance imaging scan, participants watched dating profile videos of eight different target individuals, both before and after receiving social feedback from the target. We found that neural representations in the mentalizing network changed most in response to social feedback that was incongruent with one’s initial evaluation, likely because romantic interest in another person is at least partially based on what one believes that other person is thinking. In addition, during a resting-state scan, reactivation frequency in the temporoparietal junction increased in response to congruent feedback. Considered together, these results demonstrate that the desire to be aligned with another person motivates both how and how often one thinks about that person, thus highlighting the importance of others’ social evaluations in our own.
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来源:Social Cognitive and Affective Neuroscience · academic.oup.com