How does the bird brain encode head direction?

Elhanan Ben-Yishay, Ksenia Krivoruchko, Shaked Ron, Nachum Ulanovsky, Dori Derdikman, Yoram Gutfreund. Head-Direction Coding in the Hippocampal Formation of Birds. bioRxiv 2020.08.31.274928; doi: https://doi.org/10.1101/2020.08.31.274928

Abstract
Birds strongly rely on spatial memory and navigation. However, it is unknown

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How does the brain navigate 2D semantic spaces?

Simone Viganò, Valerio Rubino, Antonio Di Soccio, Marco Buiatti, Manuela Piazza. Multiple spatial codes for navigating 2-D semantic spaces. bioRxiv 2020.07.16.205955; doi: https://doi.org/10.1101/2020.07.16.205955

Summary
When mammals navigate in the physical environment, specific neurons such as grid-cells, head-direction cells,

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How do humans navigate with stereo olfaction?

Yuli Wu, Kepu Chen, Yuting Ye, Tao Zhang, Wen Zhou. Humans navigate with stereo olfaction.
Proceedings of the National Academy of Sciences Jul 2020, 117 (27) 16065-16071; DOI: 10.1073/pnas.2004642117

Significance
The human brain exploits subtle differences between the

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How does the brain store information across time while simultaneously retain the timing information necessary for anticipating events and coordinating behavior?

Christopher J. Cueva, Alex Saez, Encarni Marcos, Aldo Genovesio, Mehrdad Jazayeri, Ranulfo Romo, C. Daniel Salzman, Michael N. Shadlen, Stefano Fusi. Low-dimensional dynamics for working memory and time encoding. Proceedings of the National Academy of Sciences Aug 2020, 201915984; …

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How does the retrosplenial cortex perform 1D path integration and represent spatial context?

Ju M, Gaussier P. A model of path integration and representation of spatial context in the retrosplenial cortex. Biological Cybernetics. 2020 Apr;114(2):303-313. DOI: 10.1007/s00422-020-00833-x.

Abstract
“Inspired by recent biological experiments, we simulate animals moving in different environments (open space,

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How does the retrosplenial cortex encode or store spatial information?

Czajkowski, R., Jayaprakash, B., Wiltgen, B., Rogerson, T., Guzman-Karlsson, M. C., Barth, A. L., Trachtenberg, J. T., & Silva, A. J. (2014). Encoding and storage of spatial information in the retrosplenial cortex. Proceedings of the National Academy of Sciences …

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How to learn an efficient place cell map from grid cells using non-negative sparse coding?

Yanbo Lian, Anthony N. Burkitt. Learning an efficient place cell map from grid cells using non-negative sparse coding. bioRxiv 2020.08.12.248534; doi: https://doi.org/10.1101/2020.08.12.248534

Abstract
“Experimental studies of grid cells in the Medial Entorhinal Cortex (MEC) have shown that they are …

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