How does the brain encode abstract state-space representations in high-dimensional environments?
Cross L, Cockburn J, Yue Y, O’Doherty JP. Using deep reinforcement learning to reveal how the brain encodes abstract state-space representations in high-dimensional environments. Neuron. 2020 Dec 7:S0896-6273(20)30899-0. doi: 10.1016/j.neuron.2020.11.021.
In Brief
“Cross et al. scanned humans playing …
How does the monkey brain represent what and when conjunctively during anassociative memory task?
Cruzado NA, Tiganj Z, Brincat SL, Miller EK, Howard MW. Conjunctive representation of what and when in monkey hippocampus and lateral prefrontal cortex during an associative memory task. Hippocampus. 2020 Dec;30(12):1332-1346. doi: 10.1002/hipo.23282.
Abstract
“Adaptive memory requires the …
How to build a fully automated bat flight environment for studying 3D navigation in flying bats?
Genzel D, Yartsev MM. The fully automated bat (FAB) flight room: A human-free environment for studying navigation in flying bats and its initial application to the retrosplenial cortex. Journal of Neuroscience Methods. 2020 Oct:108970. DOI: 10.1016/j.jneumeth.2020.108970.
“Background
Bats can …
How do entorhinal grid cells represent volumetric (three-dimensional) space?
Roddy M. Grieves, Selim Jedidi-Ayoub, Karyna Mishchanchuk, Anyi Liu, Sophie Renaudineau, Éléonore Duvelle, Kate J. Jeffery. Grid cell firing fields in a volumetric space. bioRxiv 2020.12.06.413542; doi: https://doi.org/10.1101/2020.12.06.413542
Abstract
“We investigated how entorhinal grid cells represent volumetric (three-dimensional) space…
How do hippocampal place cells support spatial navigation and memory?
Nick T.M. Robinson, Lucie A.L. Descamps, Lloyd E. Russell, Moritz O. Buchholz, Brendan A. Bicknell, Georgy K. Antonov, Joanna Y.N. Lau, Rebecca Nutbrown, Christoph Schmidt-Hieber, Michael Häusser. Targeted Activation of Hippocampal Place Cells Drives Memory-Guided Spatial Behavior. Cell, 2020, …
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 …
Whether do the dorsal CA1 place cells of rats encode environmental connectivity?
Éléonore Duvelle, Roddy M Grieves, Anyi Liu, Selim Jedidi-Ayoub, Joanna Holeniewska, Adam Harris, Nils Nyberg, Francesco Donnarumma, Julie M. Lefort, Kate J. Jeffery, Christopher Summerfield, Giovanni Pezzulo, Hugo J. Spiers. Hippocampal place cells encode global location but not changes in …
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CogNav Blog
New discovery worth spreading on cognitive navigation in neurorobotics and neuroscience
Recent Posts
- How to build a bio-inspired hardware implementation of an analog spike-based hippocampus memory model?
- How does the brain select what to remember during sleep?
- How hippocampal activity encodes numerous memories of specific events in life?
- How egocentric coding properties arise from its presynaptic inputs, and how egocentric cells represent items across different behavioral contexts?
- How the medial entorhinal cortex develops during learning and influences memory?
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