Category: Spatial Memory

How the internal heading representation is linked to the sensory cues in the brain?

Kim, S.S., Hermundstad, A.M., Romani, S. et al. Generation of stable heading representations in diverse visual scenes. Nature (2019) doi:10.1038/s41586-019-1767-1

Abstract
“Many animals rely on an internal heading representation when navigating in varied environments1,2,3,4,5,6,7,8,9,10. How this representation …

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How path integration is performed in the brain?

Savelli, Francesco, and James J. Knierim. “Origin and role of path integration in the cognitive representations of the hippocampus: computational insights into open questions.” Journal of Experimental Biology 222, no. Suppl 1 (2019): jeb188912.

ABSTRACT
Path integration is …

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How the hippocampal spatial memory representations is maintained?

Samuel J Levy, Nathaniel R Kinsky, William Mau, David W Sullivan, Michael E Hasselmo. Hippocampal spatial memory representations in mice are heterogeneously stable. bioRxiv 843037; doi: https://doi.org/10.1101/843037

Abstract
“The population of hippocampal neurons actively coding space continually changes …

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How environmental geometry affects human spatial memory?

Bellmund, J.L.S., de Cothi, W., Ruiter, T.A. et al. Deforming the metric of cognitive maps distorts memory. Nat Hum Behav (2019) doi:10.1038/s41562-019-0767-3

Abstract
Environmental boundaries anchor cognitive maps that support memory. However, trapezoidal boundary geometry distorts the regular firing …

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How the brain performs spatial coordinate transforms for navigation?

Rolls, ET. Spatial coordinate transforms linking the allocentric hippocampal and egocentric parietal primate brain systems for memory, action in space, and navigation. Hippocampus. 2019; 1– 22. https://doi.org/10.1002/hipo.23171

Abstract
“A theory and model of spatial coordinate transforms in the dorsal …

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How memories are encoded in the brain?

Rodrigo Quian Quiroga. Plugging in to Human Memory: Advantages, Challenges, and Insights from Human Single-Neuron Recordings.Cell. Volume 179, Issue 5, 14 November 2019, Pages 1015-1032.  DOI: https://doi.org/10.1016/j.cell.2019.10.016

We describe single-neuron recordings in the human hippocampal formation, performed in epileptic …

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How the brain represents sequential relationships among discrete nonspatial events?

Babak Shahbaba, Lingge LI, Forest Agostinelli, Mansi Saraf, Gabriel A Elias, Pierre F Baldi, Norbert J Fortin. 
Hippocampal ensembles represent sequential relationships among discrete nonspatial events. 
bioRxiv 840199; doi: https://doi.org/10.1101/840199

Abstract
“The hippocampus is critical to the temporal …

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