Brain Inspired Navigation Blog

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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What’s the local circuit-basis for spatial navigation and memory processes in hippocampal area CA1?

Tristan Geiller, James B. Priestley, Attila Losonczy. A local circuit-basis for spatial navigation and memory processes in hippocampal area CA1. Current Opinion in Neurobiology. Volume 79, 2023,102701.

Abstract
“The hippocampus is a multi-stage neural circuit that is critical for …

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How the cognitive map is recalled and how the manipulation of distances and directions occurs within the cognitive map?

Teixeira De Almeida, M., Faulmann, I., Seeber, M., Gschwend, K., Maurer, R., & Burra, N. 2023. Electrophysiological correlates of distance and direction processing during cognitive map retrieval: A source analysis. Frontiers in Human Neuroscience, 17, 42.

“The aim …

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How lateral oscillations are produced and participate in visual navigation for insects?

Leo Clement, Sebastian Schwarz, Antoine Wystrach. An intrinsic oscillator underlies visual navigation in ants. Current Biology, Volume 33, Issue 3, 2023, Pages 411-422.e5. 

Summary
“Many insects display lateral oscillations while moving, but how these oscillations are produced and …

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How new learning affects a previously acquired spatial memory representation?

Samuel J Levy, Michael E Hasselmo. Hippocampal remapping induced by new behavior is mediated by spatial context. bioRxiv 2023.02.20.529330; doi: https://doi.org/10.1101/2023.02.20.529330

Abstract
“The hippocampus plays a central role in episodic memory and spatial navigation. Hippocampal neurons form unique representational …

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How collective hippocampal coding properties facilitate the stability or precision of the neural code?

Sheintuch, Liron, Nitzan Geva, Daniel Deitch, Alon Rubin, and Yaniv Ziv. “Organization of hippocampal CA3 into correlated cell assemblies supports a stable spatial code.” Cell Reports 42, no. 2 (2023).

Summary
“Hippocampal subfield CA3 is thought to …

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How the brain avoid systematic erasing of previously encoded memories?

Irene Navarro-Lobato, Adrian Aleman-Zapata, Anumita Samanta, Milan Bogers, Shekhar Narayanan, Abdelrahman Rayan, Alejandra Alonso, Jacqueline van der Meij, Mehdi Khamassi, Zafar Khan, Lisa Genzel. Learning Fast and Slow: Increased cortical plasticity leads to memory interference and enhanced hippocampal-cortical interactions. …

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How brain encode object-location memories?

Yusuke Teratani-Ota, Brian J. Wiltgen. Encoding object-location memories along the proximodistal axis of CA1. bioRxiv 2022.10.17.512601; doi: https://doi.org/10.1101/2022.10.17.512601

Abstract
“The hippocampus is thought to combine “what” and “where” information from the cortex so that objects and events can …

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How rat brain transform egocentric views into goal-directed navigation behavior?

LaChance, Patrick A., and Jeffrey S. Taube. “A model for transforming egocentric views into goal‐directed behavior.” Hippocampus (2023).

Abstract

“Neurons in the rat postrhinal cortex (POR) respond to the egocentric (observer-centered) bearing and distance of the boundaries, …

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How spinal circuits implement the locomotor command?

Hsu, LJ., Bertho, M. & Kiehn, O. Deconstructing the modular organization and real-time dynamics of mammalian spinal locomotor networks. Nat Commun 14, 873 (2023). https://doi.org/10.1038/s41467-023-36587-w

Abstract
“Locomotion empowers animals to move. Locomotor-initiating signals from the brain are funneled through …

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How unique and predictable elements of memories are stored and reconstructed by efficiently combining both hippocampal and neocortical systems？

Eleanor Spens, Neil Burgess. A Generative Model of Memory Construction and Consolidation. bioRxiv 2023.01.19.524711; doi: https://doi.org/10.1101/2023.01.19.524711

Abstract
“Human episodic memories are (re)constructed, combining unique features with schema-based predictions, and share neural substrates with imagination. They also show systematic schema-based …

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How the brain maintain and update the uncertainty about one’s location to navigate efficiently?

Yul HR Kang, Daniel M Wolpert, Máté Lengyel. Spatial uncertainty and environmental geometry in navigation. bioRxiv 2023.01.30.526278; doi: https://doi.org/10.1101/2023.01.30.526278

Abstract
“Variations in the geometry of the environment, such as the shape and size of an enclosure, have profound …

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Whether, and how, replay supports both future planning and preserving memories of the past？

G. Elliott Wimmer, Yunzhe Liu, Daniel C. McNamee, and Raymond J. Dolan. Distinct replay signatures for prospective decision-making and memory preservation. PNAS, 120 (6) e2205211120, 2023. 

Significance
“The sequential neural reactivation of prior experience, known as replay, is …

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How episodic memories are stored within brains?

Sachin P Vaidya, Raymond A Chitwood, Jeffrey C Magee. The formation of an expanding memory representation in the hippocampus. bioRxiv 2023.02.01.526663; doi: https://doi.org/10.1101/2023.02.01.526663

Abstract
“How episodic memories are stored within brains is poorly understood. While certain memory-retaining …

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Do artificial intelligence (AI) agents learn to build internal spatial representations (or ‘mental’ maps) of their environment as a natural consequence of learning to navigate?

Erik Wijmans, Manolis Savva, Irfan Essa, Stefan Lee, Ari S. Morcos, Dhruv Batra. Emergence of Maps in the Memories of Blind Navigation Agents. arXiv:2301.13261 [cs.AI], 2023. 

Abstact
“Animal navigation research posits that organisms build and maintain internal spatial representations, …

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Brain Inspired Navigation Blog

New discovery worth spreading on brain-inspired navigation in neurorobotics and neuroscience

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