青少年现实社会网络中社会等级的神经追踪。

Junqiang Dai, Nathan A Jorgensen, Natasha Duell, Jimmy Capella, Maria T Maza, Seh-Joo Kwon, Mitchell J Prinstein, Kristen A Lindquist, Eva H Telzer
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引用次数: 0

摘要

在当前的研究中,我们结合了社会计量提名和神经成像技术来研究青少年对现实世界中社会偏好和受欢迎程度不同的同龄人的神经跟踪。来自整个学区的青少年参与者(N = 873)完成了他们在学校年级的同伴社会计量提名,一部分参与者(N = 117,年龄= 13.59岁)完成了一项神经成像任务,在这项任务中,他们从他们的社交网络中看到同伴的面孔。结果表明:(1)梭状回面部区是青少年早期视觉感知和社会分类的重要区域,同时代表高社会偏好和低社会偏好的同伴;(2)背外侧前额叶皮层(DLPFC),对社会偏好高低的同伴具有不同的追踪作用。没有区域专门追踪受欢迎的同伴,只有下顶叶、颞顶叶交界处、中扣带皮层和脑岛参与追踪不受欢迎的同伴。这是首次研究支持青少年对基于同伴的社会网络感知的神经回路。这些发现确定了神经过程,使年轻人能够自发地在他们的社会网络中跟踪同龄人的社会价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Neural tracking of social hierarchies in adolescents' real-world social networks.

In the current study, we combined sociometric nominations and neuroimaging techniques to examine adolescents' neural tracking of peers from their real-world social network that varied in social preferences and popularity. Adolescent participants from an entire school district (N = 873) completed peer sociometric nominations of their grade at school, and a subset of participants (N = 117, Mage = 13.59 years) completed a neuroimaging task in which they viewed peer faces from their social networks. We revealed two neural processes by which adolescents track social preference: (1) the fusiform face area, an important region for early visual perception and social categorization, simultaneously represented both peers high in social preference and low in social preference; (2) the dorsolateral prefrontal cortex (DLPFC), which was differentially engaged in tracking peers high and low in social preference. No regions specifically tracked peers high in popularity and only the inferior parietal lobe, temporoparietal junction, midcingulate cortex and insula were involved in tracking unpopular peers. This is the first study to examine the neural circuits that support adolescents' perception of peer-based social networks. These findings identify the neural processes that allow youths to spontaneously keep track of peers' social value within their social network.

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