首页> 外文会议>Computational Neuroscience Meeting (CNS'01) Jul, 2001 Monterey, California >A model of hippocampal circuitry mediating goal-driven navigation in a familiar environment
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A model of hippocampal circuitry mediating goal-driven navigation in a familiar environment

机译:海马电路模型在熟悉的环境中介导目标驱动的导航

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Considerable data demonstrates a role for the hippocampus in spatial navigation. Here, we present a detailed model of how the components of hippocampal circuitry might guide movement toward flexible goal locations in a familiar environment. The model contains the following features: (1) route planning is based on the spread of activation; (2) the spread of activation is gated by environmental constraints; (3) multiple goals are visited sequentially; (4) spatial representation is goal-independent; (5) place cells predict the future position by about one θ-cycle; and (6) the model selects the shorter path among alternatives. This model can be further extended to address complex navigational functions.
机译:大量数据证明了海马在空间导航中的作用。在这里,我们提供了一个详细模型,说明海马电路的各个组件如何在熟悉的环境中引导运动向灵活的目标位置移动。该模型包含以下特征:(1)路线规划基于激活的扩散; (2)激活的扩散受环境限制; (3)依次访问多个目标; (4)空间表示与目标无关; (5)放置单元通过约一个θ周期来预测未来位置; (6)模型在备选方案中选择较短的路径。该模型可以进一步扩展以解决复杂的导航功能。

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