Small on the left, large on the right: numbers orient visual attention onto space in preverbal infants
Small on the left, large on the right: numbers orient visual attention onto space in preverbal infants
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DOI：
10.1111/desc.12315
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发表时间：
2016-05-01
影响因子：
3.7
通讯作者：
Cassia, Viola Macchi
中科院分区：
文献类型：
--
作者：
Bulf, Hermann;de Hevia, Maria Dolores;Cassia, Viola Macchi
数字表示为沿空间定向数字线的有序大小。虽然文化和正规教育调整了这种数字-空间映射的方向，但它的出现是否完全是由文化经验驱动的，这是一个有争议的问题。通过记录8-9个月大婴儿的眼球运动，这项研究表明，数字线索对于将婴儿的视觉注意力定向到与数字在从左到右的表征连续体上的相对位置一致的空间的外围区域是至关重要的。这一发现提供了第一个直接证据，表明在人类中，数字和定向空间代码之间的联系发生在获得符号或接受正规教育之前，这表明数字线不仅仅是人类发明的产品。
Numbers are represented as ordered magnitudes along a spatially oriented number line. While culture and formal education modulate the direction of this number-space mapping, it is a matter of debate whether its emergence is entirely driven by cultural experience. By registering 8-9-month-old infants' eye movements, this study shows that numerical cues are critical in orienting infants' visual attention towards a peripheral region of space that is congruent with the number's relative position on a left-to-right oriented representational continuum. This finding provides the first direct evidence that, in humans, the association between numbers and oriented spatial codes occurs before the acquisition of symbols or exposure to formal education, suggesting that the number line is not merely a product of human invention.