Category: 3D Spatial Representation

What is the neural code for very large spaces?

Eliav T, Maimon SR, Aljadeff J, Tsodyks M, Ginosar G, Las L & Ulanovsky N, Multiscale representation of very large environments in the hippocampus of flying bats, Science 372, eabg4020 (2021). PDF | News&Views: Wood & Dudchenko

Abstract
“Hippocampal …

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How does the brain encode abstract state-space representations in high-dimensional environments?

Cross L, Cockburn J, Yue Y, O’Doherty JP. Using deep reinforcement learning to reveal how the brain encodes abstract state-space representations in high-dimensional environments. Neuron. 2020 Dec 7:S0896-6273(20)30899-0. doi: 10.1016/j.neuron.2020.11.021.

In Brief
Cross et al. scanned humans playing

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How to build a fully automated bat flight environment for studying 3D navigation in flying bats?

Genzel D, Yartsev MM. The fully automated bat (FAB) flight room: A human-free environment for studying navigation in flying bats and its initial application to the retrosplenial cortex. Journal of Neuroscience Methods. 2020 Oct:108970. DOI: 10.1016/j.jneumeth.2020.108970.

“Background
Bats can

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How do rats navigate in three-dimensional volumetric environments?

Selim Jedidi-Ayoub, Karyna Mishchanchuk, Anyi Liu, Sophie Renaudineau, Éléonore Duvelle & Roddy M. Grieves. Volumetric spatial behaviour in rats reveals the anisotropic organisation of navigation. Anim Cogn (2020). https://doi.org/10.1007/s10071-020-01432-w

Abstract
“We investigated how access to the vertical dimension influences …

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How can 3D head orienting movements be encoded in the primary visual cortex?

Grigori Guitchounts, Javier Masís, Steffen B.E. Wolff, David Cox. Encoding of 3D Head Orienting Movements in the Primary Visual Cortex. Neuron, August 11, 2020, DOI:https://doi.org/10.1016/j.neuron.2020.07.014

Summary
Animals actively sample the sensory world by generating complex patterns of movement

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How does the mouse brain encode 3D compass?

Dora E. Angelaki, Julia Ng, Amada M. Abrego, Henry X. Cham, Eftihia K. Asprodini, J. David Dickman & Jean Laurens . A gravity-based three-dimensional compass in the mouse brainNat Commun 11, 1855 (2020). https://doi.org/10.1038/s41467-020-15566-5

Abstract
“Gravity sensing provides …

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How does the brain maintain a proper sense of 3D orientation relative to both local and global cues in 3D navigation?

Patrick A. LaChance, Julie R. Dumont, Pelin Ozel, Jennifer L. Marcroft, Jeffrey S. Taube. Commutative Properties of Head Direction Cells During Locomotion in 3D: Are All Routes Equal? Journal of Neuroscience 3 March 2020, 2789-19; DOI: 10.1523/JNEUROSCI.2789-19.2020

Abstract
Navigation

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How to unlock the secrets of three-dimensional navigation in the brains of bats?

Ziying Fu, Jia Tang, Qicai Chen. Neuroscientists are questing to unlock the secrets of three-dimensional navigation in the brains of bats. In Journal of Chinese Science Bulletin, Dec 13, 2019. https://doi.org/10.1360/TB-2019-0404.

Abstract
Unlocking the secrets of spatial orientation

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How do 3D place cells represent 3D volumetric space in rats?

Roddy M. Grieves, Selim Jedidi-Ayoub, Karyna Mishchanchuk, Anyi Liu, Sophie Renaudineau & Kate J. Jeffery. The place-cell representation of volumetric space in rats. Nat Commun 11, 789 (2020). https://doi.org/10.1038/s41467-020-14611-7

Abstract
“Place cells are spatially modulated neurons found in the …

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How the 3D Head Orienting Movements are encoded in Primary Visual Cortex?

Grigori Guitchounts, Javier Alejandro Masis, Steffen B.E. Wolff, David Cox. Encoding of 3D Head Orienting Movements in Primary Visual Cortex. bioRxiv 2020.01.16.909473; doi: https://doi.org/10.1101/2020.01.16.909473

Abstract
Animals actively sample from the sensory world by generating complex patterns of movement

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How the grid cells perform path integral, path planning and error correction?

Gao, Ruiqi & Xie, Jianwen & Zhu, Song & Wu, Yingnian.  Learning Grid Cells as Vector Representation of Self-Position Coupled with Matrix Representation of Self-Motion. ICLR 2019

Abstract

This paper proposes a representational model for grid cells. In

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How the mammalian brain achieves accurate tracking of head direction at different turning-velocities?

Arseny Finkelstein, Hervé Rouault, Sandro Romani, Nachum Ulanovsky. Dynamic control of cortical head-direction signal by angular velocity. doi: https://doi.org/10.1101/730374

Abstract
The sense of direction requires accurate tracking of head direction at different turning-velocities, yet it remains unclear how

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How to represent 3D space in the entorhinal cortex of flying bats?

Authors
*G. GINOSAR1, J. ALJADEFF2, Y. BURAK3, H. SOMPOLINSKY3, L. LAS1, N. ULANOVSKY1;
1 Weizmann Inst. of Sci., Rehovot, Israel; 2 Dept. of Bioengineering, Imperial Col. London, London, United Kingdom; 3 The Edmond and Lily Safra Ctr. for Brain Sciences, …

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How does rat place cells encode 3D volumetric space?

Roddy M Grieves, Selim Jedidi-Ayoub, Karyna Mishchanchuk, Anyi Liu, Sophie Renaudineau, Kate J Jeffery. The place-cell representation of volumetric space in rats.

Abstract
“Place cells are spatially modulated neurons found in the hippocampus that underlie …

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How does the 3D neural compass work in the mouse brain?

Angelaki, Dora E., Julia Ng, Amada M. Abrego, Henry X. Cham, J. D. Dickman, and Jean Laurens. “A gravity-based three-dimensional compass in the mouse brain.” bioRxiv (2019): 570382.

Summary
“Head direction cells in the mammalian limbic system are …

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