How does the hippocampus and its constituent pathways support novel category learning?
Jelena Sučević, Anna C. Schapiro. A neural network model of hippocampal contributions to category learning. bioRxiv 2022.01.12.476051; doi: https://doi.org/10.1101/2022.01.12.476051
Abstract
“In addition to its critical role in encoding individual episodes, the hippocampus is capable of extracting regularities across experiences. …
What are the neural dynamics and architecture of the heading direction circuit in a vertebrate brain?
Luigi Petrucco, Hagar Lavian, You Kure Wu, Fabian Svara, Vilim Štih, Ruben Portugues. Neural dynamics and architecture of the heading direction circuit in a vertebrate brain. bioRxiv 2022.04.27.489672; doi: https://doi.org/10.1101/2022.04.27.489672
Abstract
“Animals can use different strategies to navigate. They …
How does the brain translate experiences into structured knowledge that allows us to navigate to achieve goals?
Corey Fernandez, Jiefeng Jiang, Shao-Fang Wang, Hannah Choi, Anthony D Wagner. Representational integration and differentiation in the human hippocampus following goal-directed navigation. bioRxiv 2022.04.12.488078; doi: https://doi.org/10.1101/2022.04.12.488078
Abstract
“As we learn, dynamic memory processes build structured knowledge across our experiences. …
How does the brain make flexible navigation decisions based on mixed visual and memory representations?
Shinichiro Kira, Houman Safaai, Ari S. Morcos, Stefano Panzeri, Christopher D. Harvey. A distributed and efficient population code of mixed selectivity neurons for flexible navigation decisions. bioRxiv 2022.04.10.487349; doi: https://doi.org/10.1101/2022.04.10.487349
Abstract
“Decision-making requires flexibility to rapidly switch sensorimotor …
How does the hippocampus rapidly consolidates novel information for spatial navigation?
Brad E. Pfeiffer. Spatial learning drives rapid goal representation in hippocampal ripples without place field accumulation or goal-oriented theta sequences. Journal of Neuroscience 8 April 2022, JN-RM-2479-21; DOI: 10.1523/JNEUROSCI.2479-21.2022
Abstract
“The hippocampus is critical for rapid acquisition of …
How linear/angular speed – derivative in time of position/direction – may allow the updating of spatial representations?
Spalla, D., Treves, A. & Boccara, C.N. Angular and linear speed cells in the parahippocampal circuits. Nat Commun 13, 1907 (2022). https://doi.org/10.1038/s41467-022-29583-z
Abstract
“An essential role of the hippocampal region is to integrate information to compute and update …
How do grid-cell modules remain coordinated when neural activity is dissociated from external sensory cues?
Torgeir Waaga, Haggai Agmon, Valentin A. Normand, Anne Nagelhus, Richard J. Gardner, May-Britt Moser, Edvard I. Moser, Yoram Burak. Grid-cell modules remain coordinated when neural activity is dissociated from external sensory cues, Neuron, 2022, https://doi.org/10.1016/j.neuron.2022.03.011.
Summary
“The representation …
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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