Category: Spatial Cognition

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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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 are grid cells modulated by local head direction?

Gerlei, K., Passlack, J., Hawes, I. et al. Grid cells are modulated by local head directionNat Commun 11, 4228 (2020). https://doi.org/10.1038/s41467-020-17500-1

Abstract
Grid and head direction codes represent cognitive spaces for navigation and memory. Pure grid …

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How do place cells and grid cells represent position across multiple environments with joint attractor dynamics?

Agmon, Haggai, and Yoram Burak. “A theory of joint attractor dynamics in the hippocampus and the entorhinal cortex accounts for artificial remapping and grid cell field-to-field variability.” eLife 9 (2020): e56894.

Abstract
The representation of position in

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How is information about position, direction of motion, and speed represented in the hippocampus?

Stefanini, Fabio, Lyudmila Kushnir, Jessica C. Jimenez, Joshua H. Jennings, Nicholas I. Woods, Garret D. Stuber, Mazen A. Kheirbek, René Hen, and Stefano Fusi. “A distributed neural code in the dentate gyrus and in CA1.” Neuron (2020), Volume …

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How do rodents execute efficient multi-step routes to goals in novel environments?

Philip Shamash, Sarah F. Olesen, Panagiota Iordanidou, Dario Campagner, Banerjee Nabhojit, Tiago Branco. Mice learn multi-step routes by memorizing subgoal locations. bioRxiv 2020.08.19.256867; doi: https://doi.org/10.1101/2020.08.19.256867

Abstract
Animals must rapidly gather spatial information about new environments so that they

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