Category: Spatial Coordinate System

What’s the relationship between world-centered (allocentric) and self-centered (egocentric) frames of spatial coding in the hippocampus during navigation?

Jordan Carpenter, Jan Sigurd Blackstad, David Tingley, Valentin A. Normand, Edvard I. Moser, May-Britt Moser, Benjamin A. Dunn. Investigating egocentric tuning in hippocampal CA1 neurons. Journal of Neuroscience, 13 August 2024, e0040242024; DOI: 10.1523/JNEUROSCI.0040-24.2024

Abstract
Navigation requires integrating

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How egocentric coding properties arise from its presynaptic inputs, and how egocentric cells represent items across different behavioral contexts?

Cheng, Ning, Qiqi Dong, Zhen Zhang, Li Wang, Xiaojing Chen, and Cheng Wang. “Egocentric processing of items in spines, dendrites, and somas in the retrosplenial cortex.” Neuron (2023).

Summary
“Egocentric representations of external items are essential for spatial …

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How navigational systems in the human brain dynamically code for past, present, and future trajectories?

You Cheng, Sam Ling, Chantal E. Stern, Elizabeth R. Chrastil. Navigational systems in the human brain dynamically code for past, present, and future trajectories. bioRxiv 2023.08.22.554387; doi: https://doi.org/10.1101/2023.08.22.554387

Abstract
Navigational trajectory planning requires the interaction of systems that

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How to convert an allocentric goal into an egocentric steering signal?

Peter Mussells Pires, L.F. Abbott, Gaby Maimon. Converting an allocentric goal into an egocentric steering signal. bioRxiv 2022.11.10.516026; doi: https://doi.org/10.1101/2022.11.10.516026

Abstract
Neuronal signals relevant for spatial navigation have been described in many species1–12, however, a circuit-level understanding of

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How the brain process gated transformations from egocentric to allocentric reference frames involving retrosplenial cortex, entorhinal cortex, and hippocampus?

Alexander, A. S., Robinson, J. C., Stern, C. E., & Hasselmo, M. E. (2023). Gated transformations from egocentric to allocentric reference frames involving retrosplenial cortex, entorhinal cortex, and hippocampus. Hippocampus, 1– 23. https://doi.org/10.1002/hipo.23513

Abstract
This paper reviews the

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How egocentric and allocentric reference frames are chosen and interact in navigation tasks, as well as how they are supported by representations in the brain?

Vijayabaskaran S, Cheng S (2022) Navigation task and action space drive the emergence of egocentric and allocentric spatial representations. PLoS Comput Biol 18(10): e1010320. https://doi.org/10.1371/journal.pcbi.1010320

Abstract
In general, strategies for spatial navigation could employ one of two spatial

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How navigation task and action space drive the emergence of egocentric and allocentric spatial representations?

Sandhiya Vijayabaskaran, Sen Cheng. Navigation task and action space drive the emergence of egocentric and allocentric spatial representations. bioRxiv 2022.06.22.497126; doi: https://doi.org/10.1101/2022.06.22.497126

Abstract
“In general, strategies for spatial navigation could employ one of two spatial reference frames: egocentric or …

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How does the human brain encode egocentric spatial maps?

Lukas Kunz, Armin Brandt, Peter C. Reinacher, Bernhard P. Staresina, Eric T. Reifenstein, Christoph T. Weidemann, Nora A. Herweg, Ansh Patel, Melina Tsitsiklis, Richard Kempter, Michael J. Kahana, Andreas Schulze-Bonhage, Joshua Jacobs. A neural code for egocentric spatial maps in

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How does the brain implement allocentric-egocentric coordinate transformation to guide navigation behavior?

Joeri BG van Wijngaarden, Susanne S Babl, Hiroshi T Ito. Entorhinal-retrosplenial circuits for allocentric-egocentric transformation of boundary coding. Elife. 2020 Nov 3;9:e59816. doi: 10.7554/eLife.59816. PMID: 33138915.

Abstract
Spatial navigation requires landmark coding from two perspectives, relying on viewpoint-invariant

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Egocentric boundary vector tuning of the retrosplenial cortex

Andrew S. Alexander, Lucas C. Carstensen, James R. Hinman, Florian Raudies, G. William Chapman and Michael E. Hasselmo. Egocentric boundary vector tuning of the retrosplenial cortex. SCIENCE ADVANCES21 FEB 2020 : EAAZ2322

Abstract
“The retrosplenial cortex is reciprocally connected …

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How the brain performs spatial coordinate transforms for navigation?

Rolls, ET. Spatial coordinate transforms linking the allocentric hippocampal and egocentric parietal primate brain systems for memory, action in space, and navigation. Hippocampus. 2019; 1– 22. https://doi.org/10.1002/hipo.23171

Abstract
“A theory and model of spatial coordinate transforms in the dorsal …

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How does the brain process spatial coordinate system transformations?

Andrew Alexander, Lucas Carstensen, James Hinman, Florian Raudies, G. William Chapman, Michael Hasselmo. Egocentric boundary vector tuning of the retrosplenial cortex. bioRxiv 702712; doi: https://doi.org/10.1101/702712

Abstract

” The retrosplenial cortex is reciprocally connected with a majority of structures implicated …

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