Category: Spatial Cognition

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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How the brain acquire and exploit spatial context?

Eelke Spaak, Floris P. de Lange. Hippocampal and prefrontal theta-band mechanisms underpin implicit spatial context learning. Journal of Neuroscience 7 November 2019, 1660-19; DOI: 10.1523/JNEUROSCI.1660-19.2019

Abstract
Humans can rapidly and seemingly implicitly learn to predict typical locations of

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How humans navigate through their environment based on olfactory cues?

Hamburger, K. and Knauff, M. (2019), Odors Can Serve as Landmarks in Human Wayfinding. Cogn Sci, 43: e12798. doi:10.1111/cogs.12798

Abstract
Scientists have shown that many non‐human animals such as ants, dogs, or rats are very good at using

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How the spatial tuning relates to memory for events involving locations?

Qasim, S.E., Miller, J., Inman, C.S. et al. Memory retrieval modulates spatial tuning of single neurons in the human entorhinal cortex. Nat Neurosci (2019) doi:10.1038/s41593-019-0523-z

Abstract
“The medial temporal lobe is critical for both spatial navigation and memory.

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How the cognitive processes of spatial navigation and memory are linked in the brain?

Ethan A. Solomon, Bradley C. Lega, Michael R. Sperling, Michael J. Kahana. Hippocampal theta codes for distances in semantic and temporal spaces. Proceedings of the National Academy of Sciences Nov 2019, 201906729; DOI: 10.1073/pnas.1906729116

Significance
The medial temporal

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How freely-swimming teleost fish collect and compute metric spatial information underwater?

Cecilia Karlsson, Jay Willis, Matishalin Patel, Theresa Burt de Perera. Teleost fish can accurately estimate distance travelled. doi: https://doi.org/10.1101/834341

Abstract
Terrestrial animals compute shortcuts through their environment by integrating self-motion vectors containing distance and direction information. The sensory …

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How the mammalian brain achieves accurate tracking of head direction at different turning-velocities?

Arseny Finkelstein, Hervé Rouault, Sandro Romani, Nachum Ulanovsky. Dynamic control of cortical head-direction signal by angular velocity. doi: https://doi.org/10.1101/730374

Abstract
The sense of direction requires accurate tracking of head direction at different turning-velocities, yet it remains unclear how

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How to represent 3D space in the entorhinal cortex of flying bats?

Authors
*G. GINOSAR1, J. ALJADEFF2, Y. BURAK3, H. SOMPOLINSKY3, L. LAS1, N. ULANOVSKY1;
1 Weizmann Inst. of Sci., Rehovot, Israel; 2 Dept. of Bioengineering, Imperial Col. London, London, United Kingdom; 3 The Edmond and Lily Safra Ctr. for Brain Sciences, …

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How the brain integrates external cues with internal head-direction (HD) signals to drive navigational behavior?

Gil Vantomme, Zita Rovó, Romain Cardis, Elidie Béard, Georgia Katsioudi, Angelo Guadagno, Virginie Perrenoud, Laura MJ Fernandez, Anita Lüthi. A thalamic reticular circuit for head direction cell tuning and spatial navigationbioRxiv 804575; doi: https://doi.org/10.1101/804575

Summary
To navigate

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How the brain represent allocentric (map-based) vectors to boundaries, objects, and goals?

Steven Poulter, Sang Ah Lee, James Dachtler, Thomas J. Wills, Colin Lever. Vector Trace cells in the Subiculum of the Hippocampal formation. bioRxiv 805242; doi: https://doi.org/10.1101/805242

Abstract
Successfully navigating in physical or semantic space requires a neural representation

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How abstract and discrete relational structures are represented, combined, and navigated in the human brain?

Seongmin A. Park, Douglas S. Miller, Hamed Nili, Charan Ranganath, Erie D. Boorman. Map making: Constructing, combining, and navigating abstract cognitive maps. bioRxiv 810051; doi: https://doi.org/10.1101/810051

ABSTRACT
Cognitive maps are thought to enable model-based inferences from limited experience

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