早期神经发育的社会互动感知:证据从小孩和成年人的voxel-wise编码的证据
Elizabeth Jiwon Im1, Angira Shirahatti1, Leyla Isik2
1Department of Cognitive Science, Johns Hopkins University, Baltimore, Maryland 21218.
概括
儿童社交处理的神经发育被fMRI揭示出来. 在3岁的儿童中,上神经 (STS) 中存在社会相互作用感知,这表明神经反应的早期发展.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 认知科学 认知科学
背景情况:
- 儿童从小就具有先进的社会感知和推理能力.
- 这些发展中的社会能力的神经支仍然在很大程度上未被探索.
- 了解社会处理中的发育变化对于认知神经科学至关重要.
研究的目的:
- 研究儿童社会处理的皮质基础的发展轨迹.
- 确定神经活动如何与发展过程中的特定视觉和社会特征相关.
- 在发育中的大脑中绘制社会感知能力的出现地图.
主要方法:
- 利用了122名儿童 (3-12岁) 和33名成年人的功能磁共振成像 (fMRI) 数据.
- 标记了一部具有视觉 (运动能量) 和社会 (面孔,社会互动,思想理论,价值,唤起) 特征的社会丰富的电影.
- 采用语音智能编码模型,根据电影特征预测大脑活动.
主要成果:
- 只有3岁的儿童的大脑活动可以通过皮层的视觉和社会特征来预测.
- 在运动选择性中部区域和上部 (STS) 中观察到高预测精度.
- 在STS中,社会互动信息处理在3岁儿童中很明显,并在7岁时接近成人水平.
结论:
- 儿童的神经活动可以与叙事电影中的特定社会特征联系起来.
- 在STS中早期发展的神经反应支持对社会相互作用的感知.
- 这项研究为社会认知的发育神经科学提供了新的见解.
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