Where visual objects are encoded in the mouse brain or how visual objects impact processing within the spatial navigation system?
Dominique Siegenthaler, Henry Denny, Sofía Skromne Carrasco, Johanna Luise Mayer, Adrien Peyrache, Stuart Trenholm, Émilie Macé. Visual objects refine head direction coding. bioRxiv 2024.10.21.619417; doi: https://doi.org/10.1101/2024.10.21.619417
Abstract
“Animals use visual objects to guide navigation-related behaviors, from hunting prey, …
What are the mechanisms of memory-supporting neuronal dynamics in hippocampal area CA3?
Li, Yiding, John J. Briguglio, Sandro Romani, Jeffrey C. Magee, Eddy Kinganda-Lusamaki, Adrienne Amuri-Aziza, Nicolas Fernandez-Nuñez et al. “Mechanisms of memory-supporting neuronal dynamics in hippocampal area CA3.” Cell 187 (2024): 2030-2051.
Summary
“Hippocampal CA3 is central to …
How memory and language are linked at the single-cell level?
D. E. Dijksterhuis et al. ,Pronouns reactivate conceptual representations in human hippocampal neurons.Science 385,1478-1484(2024).DOI:10.1126/science.adr2813
Abstract
“During discourse comprehension, every new word adds to an evolving representation of meaning that accumulates over consecutive sentences and constrains the next words…
How zebrafish place cells integrate multiple sources of information and flexibly remap to form distinct spatial maps?
Yang, C., Mammen, L., Kim, B. et al. A population code for spatial representation in the zebrafish telencephalon. Nature (2024). https://doi.org/10.1038/s41586-024-07867-2
Abstract
“Spatial learning in teleost fish requires an intact telencephalon1, a brain region that contains putative analogues to …
How hippocampal neuronal activity is aligned with action plans?
Ipshita Zutshi, Athina Apostolelli, Wannan Yang, Zheyang Zheng, Tora Dohi, Edoardo Balzani, Alex Williams, Cristina Savin, Gyorgy Buzsaki. Hippocampal neuronal activity is aligned with action plans. bioRxiv 2024.09.05.611533; doi: https://doi.org/10.1101/2024.09.05.611533
Abstract
“Neurons in the hippocampus are correlated with …
How ants use latent learning without map-like representation of space to navigate?
Leo Clement, Sebastian Schwarz, Antoine Wystrach. Latent learning without map-like representation of space in navigating ants. bioRxiv 2024.08.29.610243; doi: https://doi.org/10.1101/2024.08.29.610243
Abstract
“Desert ants are excellent navigators. Each individual learns long foraging routes meandering between the trees and bushes in …
How shifts in the composition of memory-encoding neuronal ensembles influence the evolution of a memory over time?
Vilde A. Kveim et al. ,Divergent recruitment of developmentally defined neuronal ensembles supports memory dynamics.Science 385,eadk0997(2024).DOI:10.1126/science.adk0997
Editor’s summary
“Memories are not fixed; they evolve after encoding and their content can be updated upon changes in external or …
Whether the entorhinal grid system is also involved in predicting where an animal will be in the next moment?
Ayako Ouchi, Shigeyoshi Fujisawa ,Predictive grid coding in the medial entorhinal cortex.Science 385,776-784(2024).DOI:10.1126/science.ado4166
Editor’s summary
“Grid cells in the entorhinal cortex create a coordinate system of the environment for spatial navigation. However, it is not clear whether …
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 …
How abstract representations are encoded in populations of hippocampal neurons, how they emerge through learning and how they relate to behaviour?
Courellis, H.S., Minxha, J., Cardenas, A.R. et al. Abstract representations emerge in human hippocampal neurons during inference. Nature (2024). https://doi.org/10.1038/s41586-024-07799-x
Abstract
“Humans have the remarkable cognitive capacity to rapidly adapt to changing environments. Central to this capacity …
How the brain merge information from across sensory modalities?
Daniel D Kato, Randy M Bruno. Stability of cross-sensory input to primary somatosensory cortex across experience. bioRxiv 2024.08.07.607026; doi: https://doi.org/10.1101/2024.08.07.607026
Abstract
“Merging information from across sensory modalities is key to forming robust, disambiguated percepts of the world, …
How the hippocampus supports episodic and spatial memory at the same time?
Alexander Nitsch, Naomi de Haas, Mona M. Garvert, Christian F. Doeller. Integrating episodic and spatial context signals in the hippocampus. bioRxiv 2024.06.24.600445; doi: https://doi.org/10.1101/2024.06.24.600445
Abstract
“Episodic and spatial memory are the two key components of the mnemonic system …
How the human brain to maintain a sense of direction during naturalistic, dynamic navigation?
Zhengang Lu, Joshua B. Julian, Geoffrey K. Aguirre, Russell A. Epstein. Neural compass in the human brain during naturalistic virtual navigation. bioRxiv 2024.04.18.590112; doi: https://doi.org/10.1101/2024.04.18.590112
SUMMARY
“Humans and animals maintain a consistent representation of their facing direction during spatial …
How bees achieve vertebrate-like, high-level navigation behaviors with far fewer neurons in their brains?
Patel RN, Roberts NS, Kempenaers J, Zadel A, Heinze S. Parallel vector memories in the brain of a bee as foundation for flexible navigation. Proceedings of the National Academy of Sciences. 2024 Jul 23;121(30):e2402509121.
Significance
“Insects navigate by …
How to brain to implemnt control and recalibration of path integration in place cells using optic flow?
Madhav, M.S., Jayakumar, R.P., Li, B.Y. et al. Control and recalibration of path integration in place cells using optic flow. Nat Neurosci 27, 1599–1608 (2024). https://doi.org/10.1038/s41593-024-01681-9
Abstract
“Hippocampal place cells are influenced by both self-motion (idiothetic) signals and external …
About
Brain Inspired Navigation Blog
New discovery worth spreading on brain-inspired navigation in neurorobotics and neuroscience
Recent Posts
- How to construct general and biologically plausible integrating continuous attractor neural networks?
- What’s the coordinated mechanism for integrating allocentric, route-centered, and egocentric spatial reference frames at the network level during navigation?
- Whether stereo olfaction can enable the formation of allocentric spatial representations?
- How flexible navigation strategies emerge and evolve in freely moving non-human primates?
- How insect integrate spatial and temporal information？
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