社会大脑对自然场景的反应,社会互动的图像
Ilona Martynenko1, Kami Koldewyn2, Paul E Downing2
1Institute of Cognitive Science, University of Osnabrück, Osnabrück, 49069, Germany.
Social cognitive and affective neuroscience
|June 4, 2025
概括
人类社会大脑区域对社会互动的视觉线索做出反应. 即使不是主要任务,面部和身体选择性区域也对自然场景中的社会动态敏感度增加.
科学领域:
- 神经科学是一个神经科学.
- 社会心理学 社会心理学
- 认知科学 认知科学
背景情况:
- 人的角角区域对面部和身体有选择性.
- 之前的研究主要对比二极交互与非交互对照.
- 复杂场景中的自然主义社会相互作用需要进一步调查.
研究的目的:
- 调查面部和身体选择性大脑区域对自然场景中社会互动线索的敏感性.
- 要确定这种敏感性是否超出了直接关注社会感知的任务.
- 分析与图像中描绘的不同级别的社会互动有关的大脑反应.
主要方法:
- 使用了7特斯拉功能磁共振成像 (fMRI) 数据.
- 分析了182个自然主义场景,其中至少有两个人.
- 使用本地化器识别了面部和身体选择性的感兴趣区域 (ROI).
- 在记忆任务期间测量大脑反应 (大胆信号).
- 收集图像内容的控制措施 (人数,面积,分布,动画度).
- 独立观察员对社会互动的评级描述.
- 采用线性和通用添加模型进行分析.
主要成果:
- 在所有分析的ROI中,社会互动显著预测了BOLD反应的增加,独立于对照变量.
- 两个半球的面部和身体选择性区域都表现出对社交互动的高度敏感性.
- 即使参与者执行直角记忆任务时,也观察到这种高度敏感性.
- 研究结果表明",社会视觉"区域适应多人社会互动,而不仅仅是个人的感知.
结论:
- 人类的皮时"社会大脑"区域对自然主义,多人场景中社会互动的视觉线索敏感.
- 这种敏感性甚至在非社会任务中也存在,这表明了社会视觉的基本方面.
- 这项研究扩大了对社会视觉的理解,超越了个人的感知范围,涵盖了复杂的社会动态.
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