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 …
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 …
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. …
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 …
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, …
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 …
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 …
About
Brain Inspired Navigation Blog
New discovery worth spreading on brain-inspired navigation in neurorobotics and neuroscience
Recent Posts
- How grid cell firing patterns rapidly adapt to novel or changing environmental features on a timescale relevant to behaviour?
- How the representations of space and time interact in the hippocampal memory system?
- How the brain integrate recent experiences into existing memories ensures that memories contain the most recently available information?
- How learning-associated astrocyte ensembles regulate memory recall?
- How bats use environmental acoustic information to perform acoustic cognitive map–based navigation?
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