Visuospatial navigation from the bottom-up: without vestibular integration, distance prediction, or maps
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Abstract (arXiv)
Navigation is believed to be controlled by at least two partially dissociable systems in the brain. The cognitive map informs an organism of its location and bearing, updated by integrating vestibular self-motion or predicting distances to landmarks. Route-based navigation, on the other hand, directly evaluate sequential movement decisions from immediate percepts. Here we demonstrate the sufficiency of visual route-based decision-making in a classic open field navigation task often assumed to require a cognitive map. Three distinct strategies emerge to robustly navigate to a hidden goal, each conferring contextual tradeoffs analyzed at both neural and behavioral scales, as well as qualitatively aligning with behavior observed across the biological spectrum. We propose reframing navigation from the bottom-up, through an egocentric episodic perspective without assuming online access to computationally expensive top-down representations, to better explain behavior under energetic or attentional constraints.
Key facts. No citing papers in the map yet (data through 14 Oct 2026). Builds on 12 of its 104 references that are in the map. First posted on arXiv 18 Jul 2024.
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References · 12
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- 2023Geometrical Structure of Bifurcations during Spatial Decision-Makingcited by 1
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