导航相关的位置信息的早期发展在复杂的 retrosplenial 中
1Department of Psychology, Emory University, Atlanta, GA 30322.
概括
五岁儿童的逆复合体 (RSC) 已经代表了特定的建筑位置,这对于基于地图的导航至关重要. 这个大脑区域的大脑区域.
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:
- 基于地图的导航对于空间定向至关重要.
- 后体复合体 (RSC) 在成年人导航中具有重要作用.
- 在导航中RSC功能的发展轨迹是未知的.
研究的目的:
- 调查基于地图的导航的发展起源.
- 检查幼儿的RSC中的位置表示.
- 确定RSC是否代表5岁儿童的位置或类别信息.
主要方法:
- 功能性磁共振成像 (fMRI) 与多像素模式分析.
- 虚拟城镇范式用于评估空间表示.
- 多维缩放用于分析神经表征.
主要成果:
- 5岁儿童的RSC代表了特定的建筑位置,而不是类别.
- 在RSC中位置的神经表示与行为表现相关.
- 副海马的位置区域显示了类别的代表性,与RSC形成对比.
结论:
- 基于地图的导航能力在发展的早期出现.
- 从小就代表空间信息,RSC起作用.
- 在RSC中位置表示的早期发展支持导航.
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