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首页> 外文期刊>The European Journal of Neuroscience >Neural mechanisms of joint attention in infancy.
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Neural mechanisms of joint attention in infancy.

机译：婴儿期共同注意的神经机制。

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摘要

One of the key transitions in early cognitive development is from participating in face-to-face interactions to engaging in joint attention exchanges. It is known that the ability to jointly attend with another person to an object is essential for the development of abilities such as language in later life. Strikingly, little is known about the function of joint attention in infants in the first year. We developed a novel interactive-live paradigm to assess the neural mechanisms of joint attention in 9-month-old infants. An adult interacted with each infant, and infants' electrical brain activity was measured in two contexts. In the joint attention context, a live adult gazed at the infants' face and then to a computer displayed novel object. In the non-joint attention context the adult gazed only to the novel object. We found that the negative component of the infant event-related potential (ERP), a neural correlate indexing attentional processes, was enhanced in amplitude during the processing of objects when infants were engaged in a joint attention interaction compared to a non-joint attention interaction. These results suggest that infants benefit from joint attention interactions by focusing their limited attentional resources to specific aspects of the surrounding environment.
机译：早期认知发展的关键转变之一是从参与面对面的互动到参与联合注意力交流。众所周知，与另一人共同陪伴对象的能力对于诸如晚年生活中的语言能力的发展至关重要。令人惊讶的是，关于婴儿第一年的联合注意力功能知之甚少。我们开发了一种新颖的互动式生活范式来评估9个月大婴儿的联合注意的神经机制。一个成年人与每个婴儿互动，并在两种情况下测量了婴儿的脑电活动。在共同关注的情况下，一个活着的成年人注视着婴儿的脸，然后注视着计算机上显示的新颖物体。在非共同关注的情况下，成年人只能凝视这个新颖的物体。我们发现，与非联合注意交互作用相比，当婴儿进行联合注意交互作用时，在处理对象的过程中，婴儿事件相关电位（ERP）的负分量（神经相关索引注意过程）在振幅上得到了增强。 。这些结果表明，通过将有限的注意力资源集中在周围环境的特定方面，婴儿可以从联合注意力互动中受益。

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