婴儿的自上而下的感知调制是特定于自己的种族面孔的
Naiqi G Xiao1, Hila Ghersin2, Natasha D Dombrowski2
1Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario L8S 4L8, Canada; Department of Psychology, Princeton University, Princeton, NJ 08540, USA.
Journal of experimental child psychology
|March 5, 2024
概括
婴儿对自己种族的熟悉面孔表现出自上而下的感知,但对其他种族的面孔却没有. 这表明经验塑造了婴儿早期的感知专业化和认知调制.
科学领域:
- 发展心理学 发展心理学
- 认知神经科学 认知神经科学
- 婴儿的感知婴儿的感知
背景情况:
- 高层次的认知系统影响婴儿的感知处理 (上下感知调制).
- 了解上下流程在婴儿感知发育中的作用至关重要.
- 需要进行研究来将自上而下的调制与婴儿时期的感知专业化联系起来.
研究的目的:
- 调查婴儿对自己种族与其他种族面孔的自上而下的感知.
- 要确定上下调制是否与感知专业化的发展有关.
- 探索婴儿上下感知调制的基于经验的特异性.
主要方法:
- 婴儿学会了声音和面孔之间的关联 (自己的种族与其他种族群体).
- 面部感知在不同的感知难度 (演示时间) 下进行了测试.
- 通过比较对预测和无关声音的反应来索引自上而下的感知.
主要成果:
- 婴儿表现出明显的自上而下的面部感知对自己种族的面部.
- 对于其他种族的面孔,没有发现上下调节的证据.
- 排除了面对种族群体之间的协会学习差异.
结论:
- 在婴儿中,自上而下的感知调制似乎是基于经验和特定的.
- 熟悉的感知背景 (自己的种族面孔) 显示出更有效的上下调制.
- 这项研究提供了对感知发育和婴儿认知的机制的见解.
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