Sarthak Chandra, Sugandha Sharma, Rishidev Chaudhuri & Ila Fiete. Episodic and associative memory from spatial scaffolds in the hippocampus. Nature (2025). https://doi.org/10.1038/s41586-024-08392-y
Abstract
“Hippocampal circuits in the brain enable two distinct cognitive functions: the construction of spatial maps for …
Hongyu Chang, Wenbo Tang, Annabella M. Wulf, Thokozile Nyasulu, Madison E. Wolf, Antonio Fernandez-Ruiz & Azahara Oliva. Sleep microstructure organizes memory replay. Nature (2025). https://doi.org/10.1038/s41586-024-08340-w
Abstract
“Recently acquired memories are reactivated in the hippocampus during sleep, an initial step …
Clément Pouget, Flora Morier, Nadja Treiber, Pablo Fernández García, Nina Mazza, Run Zhang, Isaiah Reeves, Stephen Winston, Mark A. Brimble, Christina K. Kim, Gisella Vetere. Deconstruction of a memory engram reveals distinct ensembles recruited at learning. bioRxiv 2024.12.11.627894; doi: …
Zaki, Y., Pennington, Z.T., Morales-Rodriguez, D. et al. Offline ensemble co-reactivation links memories across days. Nature (2024). https://doi.org/10.1038/s41586-024-08168-4
Abstract
“Memories are encoded in neural ensembles during learning1,2,3,4,5,6 and are stabilized by post-learning reactivation7,8,9,10,11,12,13,14,15,16,17. Integrating recent experiences into existing memories …
Li, Yiding, John J. Briguglio, Sandro Romani, Jeffrey C. Magee, Eddy Kinganda-Lusamaki, Adrienne Amuri-Aziza, Nicolas Fernandez-Nuñez et al. “Mechanisms of memory-supporting neuronal dynamics in hippocampal area CA3.” Cell 187 (2024): 2030-2051.
Summary
“Hippocampal CA3 is central to …
Wannan Yang, Chen Sun, Roman Huszár, Thomas Hainmueller, Kirill Kiselev, György Buzsáki. “Selection of experience for memory by hippocampal sharp wave ripple.” Science 383, 1478-1483 (2024).
Abstract
“Experiences need to be tagged during learning for further …
Yiding Li, John J. Briguglio, Sandro Romani, Jeffrey C. Magee. Mechanisms of memory storage and retrieval in hippocampal area CA3. bioRxiv 2023.05.30.542781; doi: https://doi.org/10.1101/2023.05.30.542781
Abstract
“Hippocampal area CA3 is thought to play a central role in memory formation and …
Wenbo Tang, Justin D. Shin, Shantanu P. Jadhav. Geometric transformation of cognitive maps for generalization across hippocampal-prefrontal circuits. Cell Reports 42, 112246, March 28, 2023.
Summary
“The ability to abstract information to guide decisions during navigation across changing …
Reagh, Z.M., Ranganath, C. Flexible reuse of cortico-hippocampal representations during encoding and recall of naturalistic events. Nat Commun 14, 1279 (2023). https://doi.org/10.1038/s41467-023-36805-5
Abstract
“Although every life event is unique, there are considerable commonalities across events. However, little is known …
Samuel J Levy, Michael E Hasselmo. Hippocampal remapping induced by new behavior is mediated by spatial context. bioRxiv 2023.02.20.529330; doi: https://doi.org/10.1101/2023.02.20.529330
Abstract
“The hippocampus plays a central role in episodic memory and spatial navigation. Hippocampal neurons form unique representational …
Yusuke Teratani-Ota, Brian J. Wiltgen. Encoding object-location memories along the proximodistal axis of CA1. bioRxiv 2022.10.17.512601; doi: https://doi.org/10.1101/2022.10.17.512601
Abstract
“The hippocampus is thought to combine “what” and “where” information from the cortex so that objects and events can …
Ryan E Harvey, Heath L Robinson, Can Liu, Azahara Oliva, Antonio Fernandez-Ruiz. Hippocampo-cortical circuits for selective memory encoding, routing, and replay. bioRxiv 2022.09.25.509420; doi: https://doi.org/10.1101/2022.09.25.509420
Abstract
“Traditionally considered a homogeneous cell type, hippocampal pyramidal cells have been recently shown …
Buzsáki, G., Moser, E. Memory, navigation and theta rhythm in the hippocampal-entorhinal system. Nat Neurosci 16, 130–138 (2013). https://doi.org/10.1038/nn.3304
Abstract
“Theories on the functions of the hippocampal system are based largely on two fundamental discoveries: the amnestic consequences …
Shinichiro Kira, Houman Safaai, Ari S. Morcos, Stefano Panzeri, Christopher D. Harvey. A distributed and efficient population code of mixed selectivity neurons for flexible navigation decisions. bioRxiv 2022.04.10.487349; doi: https://doi.org/10.1101/2022.04.10.487349
Abstract
“Decision-making requires flexibility to rapidly switch sensorimotor …
Brad E. Pfeiffer. Spatial learning drives rapid goal representation in hippocampal ripples without place field accumulation or goal-oriented theta sequences. Journal of Neuroscience 8 April 2022, JN-RM-2479-21; DOI: 10.1523/JNEUROSCI.2479-21.2022
Abstract
“The hippocampus is critical for rapid acquisition of …
Wenbo Tang and Shantanu P. Jadhav. Multiple-Timescale Representations of Space: Linking Memory to Navigation. Annual Review of Neuroscience. Vol. 45:- (Volume publication date July 2022). Review in Advance first posted online on December 22, 2021. (Changes may still …
Lynn Nadel. The hippocampal formation and action at a distance. Proceedings of the National Academy of Sciences Dec 2021, 118 (51) e2119670118; DOI: 10.1073/pnas.2119670118
“Why is it that the same neural system is so intimately involved in aspects …
Philip Shamash, Sarah F. Olesen, Panagiota Iordanidou, Dario Campagner, Nabhojit Banerjee, 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
“The behavioral strategies that mammals use to learn multi-step routes in natural …
William Mau, Michael E Hasselmo, Denise J Cai. The brain in motion: How ensemble fluidity drives memory-updating and flexibility.
eLife 2020;9:e63550 DOI: 10.7554/eLife.63550
Abstract
“While memories are often thought of as flashbacks to a previous experience, they do not …
Hideyoshi Igata, Yuji Ikegaya, Takuya Sasaki. Prioritized experience replays on a hippocampal predictive map for learning. Proceedings of the National Academy of Sciences Jan 2021, 118 (1) e2011266118; DOI: 10.1073/pnas.2011266118
Significance
“The hippocampus is crucial for spatial learning …
Cruzado NA, Tiganj Z, Brincat SL, Miller EK, Howard MW. Conjunctive representation of what and when in monkey hippocampus and lateral prefrontal cortex during an associative memory task. Hippocampus. 2020 Dec;30(12):1332-1346. doi: 10.1002/hipo.23282.
Abstract
“Adaptive memory requires the …
Nick T.M. Robinson, Lucie A.L. Descamps, Lloyd E. Russell, Moritz O. Buchholz, Brendan A. Bicknell, Georgy K. Antonov, Joanna Y.N. Lau, Rebecca Nutbrown, Christoph Schmidt-Hieber, Michael Häusser. Targeted Activation of Hippocampal Place Cells Drives Memory-Guided Spatial Behavior. Cell, 2020, …
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 …
Adam Steel, Madeleine M. Billings, Edward H. Silson, Caroline E. Robertson. A network linking perception and memory systems in posterior cerebral cortex. doi: https://doi.org/10.1101/2020.05.25.115147
Abstract
“Here, we report a new network of brain areas bridging the spatial-memory and scene-perception …
Simone Viganò, Manuela Piazza. Distance and direction codes underlie navigation of a novel semantic space in the human brain. Journal of Neuroscience 14 February 2020, 1849-19; DOI: 10.1523/JNEUROSCI.1849-19.2020
Abstract
“A recent proposal posits that humans might use the …
James L. McClelland, Bruce L. McNaughton, Andrew K. Lampinen. Integration of New Information in Memory: New Insights from a Complementary Learning Systems Perspective. bioRxiv 2020.01.17.909804; doi: https://doi.org/10.1101/2020.01.17.909804
Abstract
“According to complementary learning systems theory, integrating new memories into the …
Sheena A. Josselyn, Susumu Tonegawa. Memory engrams: Recalling the past and imagining the future. Science, 03 Jan 2020:Vol. 367, Issue 6473, eaaw4325. DOI: 10.1126/science.aaw4325
“The ability to form memory is an essential trait that allows learning and the accumulation …
Vandrey, Brianna, Derek LF Garden, Veronika Ambrozova, Christina McClure, Matthew F. Nolan, and James A. Ainge. “Fan Cells in Layer 2 of the Lateral Entorhinal Cortex Are Critical for Episodic-like Memory.” Current Biology (2019).
Summary
“Episodic 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 …
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 …
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 …
1. ‘Bat-nav’ reveals how the brain tracks other animals
By Alison Abbott, published on the Nature News in Jan 12, 2018
The following lectures are presented in the NEUROSCIENCE SYMPOSIUM : BRAIN MECHANISMS OF NAVIGATION IN PHYSICAL AND COGNITIVE SPACES at Central European University in August 31, 2017.
This is a special symposium with four outstanding scientist (three Nobel laureates and one Brain Prize winner) …
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