Category: 3D Spatial Representation

How the primary visual cortex encodes stable 3D head direction signals?

Grigori Guitchounts, William Lotter, Joel Dapello, David Cox. Stable 3D Head Direction Signals in the Primary Visual Cortex. bioRxiv 2020.09.04.283762; doi: https://doi.org/10.1101/2020.09.04.283762

Abstract
Visual signals influence the brain’s computation of spatial position and orientation. Accordingly, the primary …

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How rodents from different habitats cope with three-dimensional environments?

Hagbi Z, Eilam D (2022) On heights and plains: How rodents from different habitats cope with three-dimensional environments? PLoS ONE 17(3): e0265176. https://doi.org/10.1371/journal.pone.0265176

Abstract
“Dwelling in a specific habitat requires adaptation to the habitat physical and biological properties in order …

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How does the hippocampus of flying owls encode 3D space?

Arpit Agarwal, Ayelet Sarel, Dori Derdikman, Nachum Ulanovsky, Yoram Gutfreund. Spatial coding in the hippocampus of flying owls. bioRxiv 2021.10.24.465553; doi: https://doi.org/10.1101/2021.10.24.465553

Abstract
“The elucidation of spatial coding in the hippocampus requires exploring diverse animal species. While robust place-cells …

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How the macaque hippocampal formation represents 3D space?

Mao, Dun, Eric Avila, Baptiste Caziot, Jean Laurens, J. David Dickman, and Dora E. Angelaki. “Spatial modulation of hippocampal activity in freely moving macaques.” Neuron (2021) https://doi.org/10.1016/j.neuron.2021.09.032 

Summary
The hippocampal formation is linked to spatial navigation, but

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Whether humans represent a curved surface by building a dimension-reduced flattened 2D map or a full 3D map?

Misun Kim, Christian F. Doeller. Adaptive cognitive maps for curved surfaces in the 3D world.  

Abstract
“Terrains in a 3D world can be undulating. Yet, most prior research has exclusively investigated spatial representations on a …

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How do 3D grid cells represent 3D space?

Gily Ginosar, Johnatan Aljadeff, Yoram Burak, Haim Sompolinsky, Liora Las & Nachum Ulanovsky. Locally ordered representation of 3D space in the entorhinal cortexNature (2021). https://doi.org/10.1038/s41586-021-03783-x

Abstract
“As animals navigate on a two-dimensional surface, neurons in the medial entorhinal …

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How entorhinal grid cells encode volumetric space?

Grieves, R.M., Jedidi-Ayoub, S., Mishchanchuk, K. et al. Irregular distribution of grid cell firing fields in rats exploring a 3D volumetric space. Nat Neurosci (2021). https://doi.org/10.1038/s41593-021-00907-4

Abstract
We investigated how entorhinal grid cells encode volumetric space. On a …

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