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五岁至九岁的儿童可以在没有视觉的情况下使用路径整合来构建认知地图。

Children five-to-nine years old can use path integration to build a cognitive map without vision.

机构信息

Laboratory of Brain and Cognitive Development, Institute of Psychology, University of Lausanne, 1005 Lausanne, Switzerland.

Laboratory of Brain and Cognitive Development, Institute of Psychology, University of Lausanne, 1005 Lausanne, Switzerland; Faculty of Psychology, Swiss Distance University Institute, 3900 Brig, Switzerland.

出版信息

Cogn Psychol. 2020 Sep;121:101307. doi: 10.1016/j.cogpsych.2020.101307. Epub 2020 May 20.

Abstract

Although spatial navigation competence improves greatly from birth to adulthood, different spatial memory capacities emerge at different ages. Here, we characterized the capacity of 5-9-year-old children to use path integration to build egocentric and allocentric spatial representations to navigate in their environment, and compared their performance with that of young adults. First, blindfolded participants were tested on their ability to return to a starting point after being led on straight and two-legged paths. This egocentric homing task comprising angular and linear displacements allowed us to evaluate path integration capacities in absence of external landmarks. Second, we evaluated whether participants could use path integration, in absence of visual information, to create an allocentric spatial representation to navigate along novel paths between objects, and thus demonstrate the ability to build a cognitive map of their environment. Ninety percent of the 5-9-year-old children could use path integration to create an egocentric representation of their journey to return to a starting point, but they were overall less precise than adults. Sixty-four percent of 5-9-year-old children were capable of using path integration to build a cognitive map enabling them to take shortcuts, and task performance was not dependent on age. Imprecisions in novel paths made by the children who built a cognitive map could be explained by poorer integration of the experienced turns during the learning phase, as well as greater individual variability. In sum, these findings demonstrate that 5-9-year-old children can use path integration to build a cognitive map in absence of visual information.

摘要

虽然从出生到成年,空间导航能力会有很大的提高,但不同的空间记忆能力会在不同的年龄出现。在这里,我们描述了 5-9 岁儿童使用路径整合来构建自我中心和以自身为中心的空间表示以在环境中导航的能力,并将他们的表现与年轻成年人进行了比较。首先,蒙住眼睛的参与者在被引导走直线和两腿路径后,测试他们返回起点的能力。这个包含角度和线性位移的自我中心归巢任务使我们能够在没有外部地标物的情况下评估路径整合能力。其次,我们评估了参与者是否可以在没有视觉信息的情况下使用路径整合来创建一个以自身为中心的空间表示,以便沿着物体之间的新路径导航,从而展示他们构建环境认知图的能力。90%的 5-9 岁儿童能够使用路径整合来创建他们返回起点的旅程的自我中心表示,但他们的准确性总体上低于成年人。64%的 5-9 岁儿童能够使用路径整合来构建认知地图,从而实现抄近路,并且任务表现不依赖于年龄。在构建认知地图的儿童所走的新路径上的不准确性可以通过在学习阶段更差的经验转弯整合以及更大的个体变异性来解释。总之,这些发现表明,5-9 岁儿童可以在没有视觉信息的情况下使用路径整合来构建认知地图。

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