All Relations between representation and hippocampus

Publication Sentence Publish Date Extraction Date Species
Arielle Tambini, Jacob Miller, Luke Ehlert, Anastasia Kiyonaga, Mark Dâ Esposit. Structured memory representations develop at multiple time scales in hippocampal-cortical networks. bioRxiv : the preprint server for biology. 2023-04-17. PMID:37066263. influential views of systems memory consolidation posit that the hippocampus rapidly forms representations of specific events, while neocortical networks extract regularities across events, forming the basis of schemas and semantic knowledge. 2023-04-17 2023-08-14 human
Arielle Tambini, Jacob Miller, Luke Ehlert, Anastasia Kiyonaga, Mark Dâ Esposit. Structured memory representations develop at multiple time scales in hippocampal-cortical networks. bioRxiv : the preprint server for biology. 2023-04-17. PMID:37066263. moreover, hippocampal and most neocortical representations showed sustained rather than time-limited dynamics, suggesting that representations tend to persist across learning. 2023-04-17 2023-08-14 human
Arielle Tambini, Jacob Miller, Luke Ehlert, Anastasia Kiyonaga, Mark Dâ Esposit. Structured memory representations develop at multiple time scales in hippocampal-cortical networks. bioRxiv : the preprint server for biology. 2023-04-17. PMID:37066263. these results show that specific hippocampal representations emerge early, followed by both specific and schematic representations at a gradient of timescales across hippocampal-cortical networks as learning unfolds. 2023-04-17 2023-08-14 human
Claire Z Han, Thomas Donoghue, Runnan Cao, Lukas Kunz, Shuo Wang, Joshua Jacob. Using multi-task experiments to test principles of hippocampal function. Hippocampus. 2023-04-12. PMID:37042212. across these findings, there remains an ongoing debate about the core function of the hippocampus and the generality of its representation. 2023-04-12 2023-08-14 Not clear
Claire Z Han, Thomas Donoghue, Runnan Cao, Lukas Kunz, Shuo Wang, Joshua Jacob. Using multi-task experiments to test principles of hippocampal function. Hippocampus. 2023-04-12. PMID:37042212. researchers have debated whether the hippocampus's primary role relates to the representation of space, the neural basis of (episodic) memory, or some more general computation that generalizes across various cognitive domains. 2023-04-12 2023-08-14 Not clear
Claire Z Han, Thomas Donoghue, Runnan Cao, Lukas Kunz, Shuo Wang, Joshua Jacob. Using multi-task experiments to test principles of hippocampal function. Hippocampus. 2023-04-12. PMID:37042212. here, we suggest that in order to evaluate hippocampal responses-investigating, for example, whether neuronal representations are narrowly targeted to particular tasks or if they subserve domain-general purposes-a promising research strategy may be the use of multi-task experiments, or more generally switching between multiple task contexts while recording from the same neurons in a given session. 2023-04-12 2023-08-14 Not clear
Claire Z Han, Thomas Donoghue, Runnan Cao, Lukas Kunz, Shuo Wang, Joshua Jacob. Using multi-task experiments to test principles of hippocampal function. Hippocampus. 2023-04-12. PMID:37042212. we argue that this strategy-when combined with explicitly defined theoretical motivations that guide experiment design-could be a fruitful approach to better understand how hippocampal representations support different behaviors. 2023-04-12 2023-08-14 Not clear
Abhilasha Joshi, Eric L Denovellis, Abhijith Mankili, Yagiz Meneksedag, Thomas J Davidson, Anna K Gillespie, Jennifer A Guidera, Demetris Roumis, Loren M Fran. Dynamic synchronization between hippocampal representations and stepping. Nature. 2023-04-12. PMID:37046088. dynamic synchronization between hippocampal representations and stepping. 2023-04-12 2023-08-14 Not clear
Edmund T Roll. Hippocampal spatial view cells, place cells, and concept cells: View representations. Hippocampus. 2023-04-10. PMID:37035903. hippocampal spatial view cells, place cells, and concept cells: view representations. 2023-04-10 2023-08-14 human
Edmund T Roll. Hippocampal spatial view cells, place cells, and concept cells: View representations. Hippocampus. 2023-04-10. PMID:37035903. a commentary is provided on issues raised in the special issue of hippocampus (2023) on hippocampal system view representations. 2023-04-10 2023-08-14 human
Edmund T Roll. Hippocampal spatial view cells, place cells, and concept cells: View representations. Hippocampus. 2023-04-10. PMID:37035903. first, the evidence for hippocampal and parahippocampal spatial view cells in primates including humans shows that the allocentric representations provided by at least some of these cells are very useful for human memory in that where objects and rewards are seen in the world "out there" is a key component of episodic memory and navigation. 2023-04-10 2023-08-14 human
Edmund T Roll. Hippocampal spatial view cells, place cells, and concept cells: View representations. Hippocampus. 2023-04-10. PMID:37035903. third, "mixed" representations, for example of particular combinations of spatial view and place, can arise if the training has been for only some combinations of place and view, for that is what can then be learned by the hippocampus. 2023-04-10 2023-08-14 human
Mona M Garvert, Tankred Saanum, Eric Schulz, Nicolas W Schuck, Christian F Doelle. Hippocampal spatio-predictive cognitive maps adaptively guide reward generalization. Nature neuroscience. 2023-04-03. PMID:37012381. this change is driven by orbitofrontal cortex, which represents the degree to which an outcome is consistent with the spatial rather than the predictive map and updates hippocampal representations accordingly. 2023-04-03 2023-08-14 human
Deborah E Hannula, Greta N Minor, Dana Slabbekoor. Conscious awareness and memory systems in the brain. Wiley interdisciplinary reviews. Cognitive science. 2023-04-03. PMID:37012615. first, the hippocampus is critical for relational memory binding and representation even without awareness and, second, there may be little difference between some types of priming and explicit, familiarity-based recognition. 2023-04-03 2023-08-14 Not clear
Barbara Fülöp, Ágnes Hunyady, Noémi Bencze, Viktória Kormos, Nikolett Szentes, Ádám Dénes, Nikolett Lénárt, Éva Borbély, Zsuzsanna Helye. IL-1 Mediates Chronic Stress-Induced Hyperalgesia Accompanied by Microglia and Astroglia Morphological Changes in Pain-Related Brain Regions in Mice. International journal of molecular sciences. vol 24. issue 6. 2023-03-29. PMID:36982563. increased iba1+ integrated density in the central nucleus of amygdala, primary somatosensory cortex hind limb representation part, hippocampus cornu ammonis area 3 (ca3) and periaqueductal gray matter (pag) was present, accompanied by a cell number increase in iba1+ microglia in stressed female wts but not in il-1 kos. 2023-03-29 2023-08-14 mouse
Rodrigo Quian Quirog. An integrative view of human hippocampal function: Differences with other species and capacity considerations. Hippocampus. 2023-03-25. PMID:36965048. we argue that the model of partially overlapping assemblies is better suited to cope with memory capacity limitations, that the finding of different types of neurons and functions in this area is due to a flexible and temporary use of the extraordinary machinery of the hippocampus to deal with the task at hand, and that only information that is relevant and frequently revisited will consolidate into long-term hippocampal representations, using partially overlapping assemblies. 2023-03-25 2023-08-14 human
Jacopo Bono, Sara Zannone, Victor Pedrosa, Claudia Clopat. Learning predictive cognitive maps with spiking neurons during behavior and replays. eLife. vol 12. 2023-03-17. PMID:36927625. the hippocampus has been proposed to encode environments using a representation that contains predictive information about likely future states, called the successor representation. 2023-03-17 2023-08-14 Not clear
Jacopo Bono, Sara Zannone, Victor Pedrosa, Claudia Clopat. Learning predictive cognitive maps with spiking neurons during behavior and replays. eLife. vol 12. 2023-03-17. PMID:36927625. however, it is not clear how such a representation could be learned in the hippocampal circuit. 2023-03-17 2023-08-14 Not clear
Tom M George, William de Cothi, Kimberly L Stachenfeld, Caswell Barr. Rapid learning of predictive maps with STDP and theta phase precession. eLife. vol 12. 2023-03-17. PMID:36927826. error-driven temporal difference learning, commonly used to learn successor representations in artificial agents, is not known to be implemented in hippocampal networks. 2023-03-17 2023-08-14 Not clear
Daniela J Palombo, Dominoe Jones, Caroline Strang, Mieke Verfaelli. Verbal recall in amnesia: Does scene construction matter? Neuropsychologia. 2023-03-17. PMID:36931459. one theoretical model posits that the hippocampus is important for scene construction, namely, the ability to conjure and maintain a scene-based representation in one's mind. 2023-03-17 2023-08-14 Not clear