| Publication |
Sentence |
Publish Date |
Extraction Date |
Species |
| John L Kubie, Eliott R J Levy, André A Fento. Is hippocampal remapping the physiological basis for context? Hippocampus. vol 30. issue 8. 2021-11-05. PMID:31571314. |
in 1980, nadel and wilner extended richard hirsh's notion that the hippocampus creates environmental representations, called "contexts," suggesting that the fundamental structure of context was the spatial representation proposed by o'keefe and nadel's landmark book, the hippocampus as a cognitive map (1978). |
2021-11-05 |
2023-08-13 |
Not clear |
| Frédéric Michon, Esther Krul, Jyh-Jang Sun, Fabian Kloosterma. Single-trial dynamics of hippocampal spatial representations are modulated by reward value. Current biology : CB. vol 31. issue 20. 2021-10-27. PMID:34416178. |
single-trial dynamics of hippocampal spatial representations are modulated by reward value. |
2021-10-27 |
2023-08-13 |
Not clear |
| Frédéric Michon, Esther Krul, Jyh-Jang Sun, Fabian Kloosterma. Single-trial dynamics of hippocampal spatial representations are modulated by reward value. Current biology : CB. vol 31. issue 20. 2021-10-27. PMID:34416178. |
reward value is known to modulate learning speed in spatial memory tasks, but little is known about its influence on the dynamical changes in hippocampal spatial representations. |
2021-10-27 |
2023-08-13 |
Not clear |
| Frédéric Michon, Esther Krul, Jyh-Jang Sun, Fabian Kloosterma. Single-trial dynamics of hippocampal spatial representations are modulated by reward value. Current biology : CB. vol 31. issue 20. 2021-10-27. PMID:34416178. |
the occurrence of hippocampal replay activity largely followed the dynamics of changes in spatial representations. |
2021-10-27 |
2023-08-13 |
Not clear |
| Thibault Cholvin, Thomas Hainmueller, Marlene Barto. The hippocampus converts dynamic entorhinal inputs into stable spatial maps. Neuron. vol 109. issue 19. 2021-10-25. PMID:34619088. |
however, how the spatial code provided by mec inputs relates to spatial representations generated by principal cell assemblies within hippocampal subfields remains enigmatic. |
2021-10-25 |
2023-08-13 |
mouse |
| Carli Domenico, Daniel Haggerty, Xiang Mou, Daoyun J. LSD degrades hippocampal spatial representations and suppresses hippocampal-visual cortical interactions. Cell reports. vol 36. issue 11. 2021-09-23. PMID:34525364. |
lsd degrades hippocampal spatial representations and suppresses hippocampal-visual cortical interactions. |
2021-09-23 |
2023-08-13 |
rat |
| Maximilian F A Hauser, Stefanie Heba, Tobias Schmidt-Wilcke, Martin Tegenthoff, Denise Manahan-Vaugha. Cerebellar-hippocampal processing in passive perception of visuospatial change: An ego- and allocentric axis? Human brain mapping. vol 41. issue 5. 2021-09-16. PMID:31729790. |
in addition to its role in visuospatial navigation and the generation of spatial representations, in recent years, the hippocampus has been proposed to support perceptual processes. |
2021-09-16 |
2023-08-13 |
Not clear |
| Edmund T Roll. Spatial coordinate transforms linking the allocentric hippocampal and egocentric parietal primate brain systems for memory, action in space, and navigation. Hippocampus. vol 30. issue 4. 2021-09-01. PMID:31697002. |
a theory and model of spatial coordinate transforms in the dorsal visual system through the parietal cortex that enable an interface via posterior cingulate and related retrosplenial cortex to allocentric spatial representations in the primate hippocampus is described. |
2021-09-01 |
2023-08-13 |
Not clear |
| Ohad Rechnitz, Inna Slutsky, Genela Morris, Dori Derdikma. Hippocampal sub-networks exhibit distinct spatial representation deficits in Alzheimer's disease model mice. Current biology : CB. vol 31. issue 15. 2021-08-11. PMID:34146487. |
hippocampal sub-networks exhibit distinct spatial representation deficits in alzheimer's disease model mice. |
2021-08-11 |
2023-08-13 |
mouse |
| Brianna Vandrey, Stephen Duncan, James A Aing. Object and object-memory representations across the proximodistal axis of CA1. Hippocampus. vol 31. issue 8. 2021-07-22. PMID:33942429. |
place cells in the hippocampus encode spatial representations of objects that could be generated through signaling from the entorhinal cortex. |
2021-07-22 |
2023-08-13 |
rat |
| Brianna Vandrey, Stephen Duncan, James A Aing. Object and object-memory representations across the proximodistal axis of CA1. Hippocampus. vol 31. issue 8. 2021-07-22. PMID:33942429. |
our data suggest that in cue-rich environments, lec inputs to the hippocampus support spatial representations with higher spatial tuning, closer proximity to objects, and greater stability than those receiving inputs from mec. |
2021-07-22 |
2023-08-13 |
rat |
| Linnea E Herzog, Donald B Katz, Shantanu P Jadha. Refinement and Reactivation of a Taste-Responsive Hippocampal Network. Current biology : CB. vol 30. issue 7. 2021-06-09. PMID:32197078. |
our results reveal that novel taste experience evokes responses within a preconfigured network of taste-responsive hippocampal place cells with large fields, whose spatial representations are refined by sensory experience to signal areas of behavioral salience. |
2021-06-09 |
2023-08-13 |
rat |
| Can Dong, Antoine D Madar, Mark E J Sheffiel. Distinct place cell dynamics in CA1 and CA3 encode experience in new environments. Nature communications. vol 12. issue 1. 2021-06-01. PMID:34016996. |
to understand how hippocampal spatial representations emerge and evolve during familiarization, we performed 2-photon calcium imaging in mice running in new virtual environments and compared the trial-to-trial dynamics of place cells in ca1 and ca3 over days. |
2021-06-01 |
2023-08-13 |
mouse |
| Stephen Grossber. A Neural Model of Intrinsic and Extrinsic Hippocampal Theta Rhythms: Anatomy, Neurophysiology, and Function. Frontiers in systems neuroscience. vol 15. 2021-05-18. PMID:33994965. |
topics include how theta rhythms were discovered; how theta rhythms organize brain information processing into temporal series of spatial patterns; how distinct theta rhythms occur within area ca1 of the hippocampus and between the septum and area ca3 of the hippocampus; what functions theta rhythms carry out in different brain regions, notably ca1-supported functions like learning, recognition, and memory that involve visual, cognitive, and emotional processes; how spatial navigation, adaptively timed learning, and category learning interact with hippocampal theta rhythms; how parallel cortical streams through the lateral entorhinal cortex (lec) and the medial entorhinal cortex (mec) represent the end-points of the what cortical stream for perception and cognition and the where cortical stream for spatial representation and action; how the neuromodulator acetylcholine interacts with the septo-hippocampal theta rhythm and modulates category learning; what functions are carried out by other brain rhythms, such as gamma and beta oscillations; and how gamma and beta oscillations interact with theta rhythms. |
2021-05-18 |
2023-08-13 |
Not clear |
| Bo Zhang, Yuji Nay. Medial Prefrontal Cortex Represents the Object-Based Cognitive Map When Remembering an Egocentric Target Location. Cerebral cortex (New York, N.Y. : 1991). vol 30. issue 10. 2021-05-14. PMID:32483594. |
representational similarity analysis revealed an object-based spatial representation in the hippocampus (hpc) when participants located themselves within the environment, while the medial prefrontal cortex (mpfc) represented it when they recollected a target object's location relative to their self-body. |
2021-05-14 |
2023-08-13 |
human |
| Charline Tessereau, Reuben O'Dea, Stephen Coombes, Tobias Bas. Reinforcement learning approaches to hippocampus-dependent flexible spatial navigation. Brain and neuroscience advances. vol 5. 2021-05-08. PMID:33954259. |
in this article, we review some computational principles, embedded within a reinforcement learning framework, that utilise hippocampal spatial representations for navigation in watermaze tasks. |
2021-05-08 |
2023-08-13 |
human |
| Dechuan Sun, Ranjith Rajasekharan Unnithan, Chris Frenc. Scopolamine Impairs Spatial Information Recorded With "Miniscope" Calcium Imaging in Hippocampal Place Cells. Frontiers in neuroscience. vol 15. 2021-04-06. PMID:33815044. |
we found that the decoding accuracy and the stability of spatial representation revealed by hippocampal neural ensemble were significantly reduced after the administration of scopolamine. |
2021-04-06 |
2023-08-13 |
mouse |
| Ingrid M Esteves, HaoRan Chang, Adam R Neumann, JianJun Sun, Majid H Mohajerani, Bruce L McNaughto. Spatial Information Encoding across Multiple Neocortical Regions Depends on an Intact Hippocampus. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 41. issue 2. 2021-03-25. PMID:33203745. |
we enquire here whether the presence of such spatial representations may be a cortex-wide phenomenon and, if so, whether these representations can be organized in the absence of the hippocampus. |
2021-03-25 |
2023-08-13 |
mouse |
| Hannah S Wirtshafter, Matthew A Wilso. Differences in reward biased spatial representations in the lateral septum and hippocampus. eLife. vol 9. 2021-02-17. PMID:32452763. |
differences in reward biased spatial representations in the lateral septum and hippocampus. |
2021-02-17 |
2023-08-13 |
rat |
| Anna Plachti, Shahrzad Kharabian, Simon B Eickhoff, Somayeh Maleki Balajoo, Felix Hoffstaedter, Deepthi P Varikuti, Christiane Jockwitz, Svenja Caspers, Katrin Amunts, Sarah Geno. Hippocampus co-atrophy pattern in dementia deviates from covariance patterns across the lifespan. Brain : a journal of neurology. vol 143. issue 9. 2021-02-16. PMID:32851402. |
these results not only contribute to a better understanding of co-plasticity and co-atrophy in the hippocampus across the lifespan and in dementia, but also provide robust data-driven spatial representations (i.e. |
2021-02-16 |
2023-08-13 |
human |