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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Neural encoding of the concept of nest in the mouse brain
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Neural encoding of the concept of nest in the mouse brain

机译：小鼠大脑巢概念的神经编码

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摘要

As important as memory is to our daily functions, the ability to extract fundamental features and commonalities from various episodic experiences and to then generalize them into abstract concepts is even more crucial for both humans and animals to adapt to novel and complex situations. Here, we report the neural correlates of the abstract concept of nests or beds in mice. Specifically, we find hippocampal neurons that selectively fire or cease to fire when the mouse perceives nests or beds, regardless of their locations and environments. Parametric analyses show that responses of nest cells remain invariant over changes in the nests' physical shape, style, color, odor, or construction materials; rather, their responses are driven by conscious awareness and physical determination of the categorical features that would functionally define nests. Such functionality-based abstraction and generalization of conceptual knowledge, emerging from episodic experiences, suggests that the hippocampus is an intrinsic part of the hierarchical structure for generating concepts and knowledge in the brain.
机译：记忆对我们的日常功能同样重要，从各种情景经验中提取基本特征和共性，然后将其概括为抽象概念的能力，对于人类和动物适应新颖和复杂的情况而言，至关重要。在这里，我们报告了小鼠巢或床的抽象概念的神经相关性。具体来说，我们发现当鼠标感知到巢或床时，无论它们的位置和环境如何，海马神经元都会选择性激发或停止激发。参数分析表明，巢细胞的响应随巢的物理形状，样式，颜色，气味或建筑材料的变化而不变。相反，它们的响应是由对功能上定义巢的分类特征的意识感知和物理确定所驱动的。这种基于功能性的概念知识的抽象和概括，是从情节经历中得出的，表明海马体是在大脑中生成概念和知识的层次结构的固有部分。

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