The "social brain" is highly sensitive to the mere presence of social information: An automated meta-analysis and an independent study.
The "social brain" is highly sensitive to the mere presence of social information: An automated meta-analysis and an independent study.
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DOI：
10.1371/journal.pone.0196503
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发表时间：
2018
期刊：
影响因子：
3.7
通讯作者：
Taylor SF
中科院分区：
文献类型：
--
作者：
Tso IF;Rutherford S;Fang Y;Angstadt M;Taylor SF
人类大脑如何处理社会信息是心理学和神经科学中越来越多的研究课题，促进了我们对人类基本认知和精神病理学的理解。当试图绘制社会认知的神经基质时，神经影像学研究通常寻求隔离社会认知的一个特定方面。目前尚不清楚，由不同的社会认知过程和任务指示引起的大脑激活是否也会自发地由一般的社会信息引起。在这项研究中，我们使用自动荟萃分析和来自简单评价社会与非社会图像的独立研究的验证性数据，调查了这些大脑区域是否被社会信息的存在所激发。1000篇包含“社会”关键字的已发表的fMRI研究的结果被纳入自动荟萃分析（http://neurosynth.org）。为了证实meta分析中重要的大脑区域是由社会效应驱动的，这些大脑区域被用作兴趣区域（roi）来提取和比较独立研究中社会与非社会条件的BOLD fMRI信号。NeuroSynth结果表明，内侧前额叶皮层背侧和腹侧、扣带回后皮层、双侧杏仁核、双侧枕颞交界、右侧梭状回、双侧颞极和右侧额下回通常参与具有突出社会因素的研究。独立研究中的社会-非社会对比与神经合成图非常相似。ROI分析显示，在独立数据集中的11个NeuroSynth区域中，有9个区域的社会效应是可信的。这些发现支持了“社会大脑”对社会信息的存在高度敏感的结论。
How the human brain processes social information is an increasingly researched topic in psychology and neuroscience, advancing our understanding of basic human cognition and psychopathologies. Neuroimaging studies typically seek to isolate one specific aspect of social cognition when trying to map its neural substrates. It is unclear if brain activation elicited by different social cognitive processes and task instructions are also spontaneously elicited by general social information. In this study, we investigated whether these brain regions are evoked by the mere presence of social information using an automated meta-analysis and confirmatory data from an independent study of simple appraisal of social vs. non-social images. Results of 1,000 published fMRI studies containing the keyword of “social” were subject to an automated meta-analysis (http://neurosynth.org). To confirm that significant brain regions in the meta-analysis were driven by a social effect, these brain regions were used as regions of interest (ROIs) to extract and compare BOLD fMRI signals of social vs. non-social conditions in the independent study. The NeuroSynth results indicated that the dorsal and ventral medial prefrontal cortex, posterior cingulate cortex, bilateral amygdala, bilateral occipito-temporal junction, right fusiform gyrus, bilateral temporal pole, and right inferior frontal gyrus are commonly engaged in studies with a prominent social element. The social–non-social contrast in the independent study showed a strong resemblance to the NeuroSynth map. ROI analyses revealed that a social effect was credible in 9 out of the 11 NeuroSynth regions in the independent dataset. The findings support the conclusion that the “social brain” is highly sensitive to the mere presence of social information.
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