Category: Spatial Memory

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 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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How the hippocampal spatial circuit represents latent information independent of sensory inputs and future goals?

Alexandra T. Keinath, Andres Nieto-posadas, Jennifer C. Robinson, Mark P. Brandon. DG-CA3 circuitry mediates hippocampal representations of latent information.bioRxiv 824102; doi: https://doi.org/10.1101/824102

Abstract
“Survival in complex environments necessitates a flexible navigation system that incorporates memory of recent behavior and …

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How spatial information is communicated by place cells to downstream areas in a finer theta-timescale?

Monsalve‐Mercado, MM, Roudi, Y. Hippocampal spike‐time correlations and place field overlaps during open field foraging. Hippocampus. 2019; 1– 13. https://doi.org/10.1002/hipo.23173

Abstract
“Phase precessing place cells encode spatial information on fine timescales via the timing of their spikes. …

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How dose the human brain integrate information about past temporal and cognitive contexts

Halle R Dimsdale-Zucker, Maria E Montchal, Zachariah M Reagh, Shao-Fang Wang, Laura A Libby, Charan R Ranganath. Hippocampal subfields integrate information about past temporal and cognitive contexts. bioRxiv 766311; doi: https://doi.org/10.1101/766311

Abstract
“The hippocampus plays a critical role in …

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How do place cells encode local surface texture boundaries?

Chia-Hsuan Wang, Joseph D Monaco, James J Knierim. Hippocampal place cells encode local surface texture boundaries. 

Abstract

“The cognitive map is often assumed to be a Euclidean map that isometrically represents the real world (i.e. the …

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How does place cell network pattern develop with experience?

Soyoun Kim, Dajung Jung, Sebastien Royer. Place cell map genesis via competitive learning and conjunctive coding in the dentate gyrus. 

Abstract
“Place cells exhibit spatially selective firing fields and collectively map the …

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How do neurons encode long-term memories?

Gonzalez, Walter G., Hanwen Zhang, Anna Harutyunyan, and Carlos Lois. “Persistence of neuronal representations through time and damage in the hippocampus.” Science 23 Aug 2019:Vol. 365, Issue 6455, pp. 821-825 DOI: 10.1126/science.aav9199

Abstract
“How do neurons encode …

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How the brain encode and retrieve information about where, what, when?

Jørgen Sugar and May‐Britt Moser. Episodic memory: Neuronal codes for what, where, and when. Hippocampus. 2019; 1– 16. https://doi.org/10.1002/hipo.23132

Abstract
“Episodic memory is defined as the ability to recall events in a spatiotemporal context. Formation of such memories is …

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How the brain remembers where you’re heading to?

Kunz, Lukas, Liang Wang, Daniel Lachner-Piza, Hui Zhang, Armin Brandt, Matthias Dümpelmann, Peter C. Reinacher et al. “Hippocampal theta phases organize the reactivation of large-scale electrophysiological representations during goal-directed navigation.” Science Advances 5, no. 7 (2019): eaav8192.

Abstract
Humans are …

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How hippocampus adds time to episodic memories?

Cox, Brittney M., Conor D. Cox, Benjamin G. Gunn, Aliza A. Le, Victoria C. Inshishian, Christine M. Gall, and Gary Lynch. “Acquisition of temporal order requires an intact CA3 commissural/associational (C/A) feedback system in mice.” Communications Biology 2, no. 1 …

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