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首页> 美国卫生研究院文献>Frontiers in Psychology >The dual nature of the human face: there is a little Jekyll and a little Hyde in all of us
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The dual nature of the human face: there is a little Jekyll and a little Hyde in all of us

机译：人脸的双重性：我们所有人都有一点吉基尔和一点海德

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The fact that a mere glance makes it possible to extract a wealth of information about the person being observed is testament to both the salience of the human face and the brain’s high efficiency in processing this information. Prior work has revealed that social judgments of faces are determined by facial features that vary on two orthogonal dimensions: trustworthiness and dominance. We conducted two experiments to investigate the visual information subtending trustworthiness and dominance judgments. In Experiment 1, we used the Bubbles technique to identify the facial areas and the spatial frequencies that modulate these two judgments. Our results show that the eye and mouth areas in high-to-medium spatial frequency bands were positively correlated with judgments of trustworthiness; the eyebrows region in medium-to-low frequency bands was positively correlated with judgments of dominance; and the lower left jawbone in medium-to-low frequency bands was negatively correlated with judgments of dominance. In Experiment 2, we used the results of Experiment 1 to induce subtle variations in the relative contrast of different facial areas, and showed that it is possible to rig social perception using such a manipulation.
机译：仅仅一眼就能提取有关被观察者的大量信息这一事实证明了人脸的显着性和大脑在处理这些信息方面的高效率。先前的工作表明，人脸的社会判断是由在两个正交维度上变化的人脸特征决定的：可信赖度和优势度。我们进行了两个实验来调查可视性信息是否属于可信度和优势判断。在实验1中，我们使用了Bubbles技术来识别可调节这两种判断的面部区域和空间频率。我们的结果表明，在中高空间频段的眼口区域与可信度判断呈正相关；中低频段的眉毛区域与主导地位的判断呈正相关。中低频段的左下颌骨与优势判断负相关。在实验2中，我们使用实验1的结果在不同面部区域的相对对比度中引起了细微的变化，并表明可以使用这种操作来操纵社交知觉。

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