| Publication |
Sentence |
Publish Date |
Extraction Date |
Species |
| Tim P Castello-Waldow, Ghabiba Weston, Alessandro F Ulivi, Alireza Chenani, Yonatan Loewenstein, Alon Chen, Alessio Attard. Hippocampal neurons with stable excitatory connectivity become part of neuronal representations. PLoS biology. vol 18. issue 11. 2021-01-04. PMID:33141818. |
this enabled us to investigate the dynamics of excitatory synaptic connectivity-using dendritic spines as proxies-of hippocampal ca1 (cornu ammonis 1) pyramidal neurons (pns) becoming part of neuronal representations exploiting arc as an indicator of being part of neuronal representations. |
2021-01-04 |
2023-08-13 |
mouse |
| Zachary Zeidler, Katerina Hoffmann, Esther Krook-Magnuso. HippoBellum: Acute Cerebellar Modulation Alters Hippocampal Dynamics and Function. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 40. issue 36. 2021-01-01. PMID:32769107. |
we therefore combined cerebellar optogenetic stimulation and ca1 calcium imaging with an object-exploration task, and found that cerebellar stimulation reduced the representation of place fields near objects, and prevented a shift in representation to the novel location when an object was moved. |
2021-01-01 |
2023-08-13 |
mouse |
| Xinyu Zhao, Yingxue Wang, Nelson Spruston, Jeffrey C Mage. Membrane potential dynamics underlying context-dependent sensory responses in the hippocampus. Nature neuroscience. vol 23. issue 7. 2020-10-07. PMID:32451487. |
these results indicate that ca1 inherits a complex spatial code from upstream regions, including ca3, that have already computed a context-dependent representation of environmental features. |
2020-10-07 |
2023-08-13 |
mouse |
| Darya Frank, Marcelo A Montemurro, Daniela Montald. Pattern Separation Underpins Expectation-Modulated Memory. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 40. issue 17. 2020-09-23. PMID:32161140. |
all subfields showed more dissimilar representations for unexpected items, with dentate gyrus (dg) and ca3 being more sensitive to expectation violation than ca1. |
2020-09-23 |
2023-08-13 |
human |
| Alexandra T Keinath, Andrés Nieto-Posadas, Jennifer C Robinson, Mark P Brando. DG-CA3 circuitry mediates hippocampal representations of latent information. Nature communications. vol 11. issue 1. 2020-08-26. PMID:32541860. |
we then hypothesize that the representation of latent information in ca1 is mediated by pattern separation/completion processes instantiated upstream within the dentate gyrus (dg) and ca3 subregions. |
2020-08-26 |
2023-08-13 |
Not clear |
| Alexandra T Keinath, Andrés Nieto-Posadas, Jennifer C Robinson, Mark P Brando. DG-CA3 circuitry mediates hippocampal representations of latent information. Nature communications. vol 11. issue 1. 2020-08-26. PMID:32541860. |
moreover, selective chemogenetic inactivation of dg-ca3 circuitry completely and reversibly abolishes the ca1 representation of latent information. |
2020-08-26 |
2023-08-13 |
Not clear |
| Ryan A Wirt, James M Hyma. ACC Theta Improves Hippocampal Contextual Processing during Remote Recall. Cell reports. vol 27. issue 8. 2020-07-16. PMID:31116978. |
over the course of consolidation, the strength and prevalence of acc theta modulation grow, leading to richer environmental context representations in ca1. |
2020-07-16 |
2023-08-13 |
Not clear |
| Mark C Zielinski, Justin D Shin, Shantanu P Jadha. Coherent Coding of Spatial Position Mediated by Theta Oscillations in the Hippocampus and Prefrontal Cortex. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 39. issue 23. 2020-06-22. PMID:30940717. |
coding of spatial position was coherent for ca1 and pfc ensembles, exhibiting correlated position representations within theta cycles. |
2020-06-22 |
2023-08-13 |
rat |
| Mark C Zielinski, Justin D Shin, Shantanu P Jadha. Coherent Coding of Spatial Position Mediated by Theta Oscillations in the Hippocampus and Prefrontal Cortex. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 39. issue 23. 2020-06-22. PMID:30940717. |
in addition, incorporating theta-phase information during decoding to account for theta-phase associated spiking resulted in a significant improvement in the accuracy of prefrontal spatial representations, similar to concurrent ca1 representations. |
2020-06-22 |
2023-08-13 |
rat |
| Mohammad Fattahi, Farnaz Sharif, Tristan Geiller, Sébastien Roye. Differential Representation of Landmark and Self-Motion Information along the CA1 Radial Axis: Self-Motion Generated Place Fields Shift toward Landmarks during Septal Inactivation. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 38. issue 30. 2019-10-28. PMID:29954846. |
differential representation of landmark and self-motion information along the ca1 radial axis: self-motion generated place fields shift toward landmarks during septal inactivation. |
2019-10-28 |
2023-08-13 |
mouse |
| Hyun-Woo Lee, Su-Min Lee, Inah Le. Neural Firing Patterns Are More Schematic and Less Sensitive to Changes in Background Visual Scenes in the Subiculum than in the Hippocampus. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 38. issue 34. 2019-10-22. PMID:30012689. |
however, when the familiar scenes were blurred parametrically, the neurons in the ca1 responded sensitively to the novelty in task demand and changed its representations parametrically following the physical changes of the stimuli, whereas these functional characteristics were absent in the subiculum. |
2019-10-22 |
2023-08-13 |
rat |
| Ivan E Mysin, Valentina F Kitchigina, Yakov B Kazanovic. Phase relations of theta oscillations in a computer model of the hippocampal CA1 field: Key role of Schaffer collaterals. Neural networks : the official journal of the International Neural Network Society. vol 116. 2019-08-20. PMID:31029053. |
our model of the ca1 field includes biophysical representation of major cell types related to the theta rhythm emergence: excitatory pyramidal cells and two types of inhibitory interneurons, pv+ basket cells and oriens lacunosum-moleculare (olm) cells. |
2019-08-20 |
2023-08-13 |
Not clear |
| Juan F Ramirez-Villegas, Konstantin F Willeke, Nikos K Logothetis, Michel Besserv. Dissecting the Synapse- and Frequency-Dependent Network Mechanisms of In Vivo Hippocampal Sharp Wave-Ripples. Neuron. vol 100. issue 5. 2019-08-19. PMID:30482688. |
moreover, ca1 feedback inhibition controls the content of spontaneous replay during ca1 ripples, forming new mnemonic representations through plasticity. |
2019-08-19 |
2023-08-13 |
Not clear |
| Hiroshi T Ito, Edvard I Moser, May-Britt Mose. Supramammillary Nucleus Modulates Spike-Time Coordination in the Prefrontal-Thalamo-Hippocampal Circuit during Navigation. Neuron. vol 99. issue 3. 2019-08-01. PMID:30092214. |
following sum inactivation, trajectory representations were impaired in both nr and ca1, but not in mpfc, indicating a failure in transmission of action plans from mpfc to the hippocampus. |
2019-08-01 |
2023-08-13 |
rat |
| Justin Quinn Lee, Deryn O LeDuke, Kate Chua, Robert J McDonald, Robert J Sutherlan. Relocating cued goals induces population remapping in CA1 related to memory performance in a two-platform water task in rats. Hippocampus. vol 28. issue 6. 2019-05-29. PMID:29601142. |
previous reports on cue and place representation in ca1 have examined activity in single neurons and population recordings during free exploration of an environment or when actions are directed to either cue or place aspects of memory tasks. |
2019-05-29 |
2023-08-13 |
rat |
| Justin Quinn Lee, Deryn O LeDuke, Kate Chua, Robert J McDonald, Robert J Sutherlan. Relocating cued goals induces population remapping in CA1 related to memory performance in a two-platform water task in rats. Hippocampus. vol 28. issue 6. 2019-05-29. PMID:29601142. |
to better understand cue and place memory representation in ca1, and how these interact during goal-directed navigation, we investigated population activity in ca1 during memory encoding and retrieval in a novel water task with two visibly distinct platforms, using mrna for immediate early genes arc and homer1a as markers of neural activity. |
2019-05-29 |
2023-08-13 |
rat |
| Cristina Zamorano, Jordi Fernández-Albert, Daniel R Storm, Xavier Carné, Carlos Sindre. Memory Retrieval Re-Activates Erk1/2 Signaling in the Same Set of CA1 Neurons Recruited During Conditioning. Neuroscience. vol 370. 2019-02-21. PMID:28366664. |
these data provide functional evidence that erk1/2 signaling in ca1 encodes a specific neural representation of contextual memory with emotional value. |
2019-02-21 |
2023-08-13 |
Not clear |
| Thibault Cholvin, Vincent Hok, Lisa Giorgi, Franck A Chaillan, Bruno Pouce. Ventral Midline Thalamus Is Necessary for Hippocampal Place Field Stability and Cell Firing Modulation. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 38. issue 1. 2019-02-21. PMID:29133436. |
while the remapping capacity of the place cells was not affected by the lesion, our results clearly demonstrated a disruption of the ca1 cellular representation of both environments in rerh rats. |
2019-02-21 |
2023-08-13 |
rat |
| Yanjun Sun, Douglas A Nitz, Todd C Holmes, Xiangmin X. Opposing and Complementary Topographic Connectivity Gradients Revealed by Quantitative Analysis of Canonical and Noncanonical Hippocampal CA1 Inputs. eNeuro. vol 5. issue 1. 2019-01-02. PMID:29387780. |
these results reveal a novel anatomical framework by which to determine the circuit bases for ca1 representations. |
2019-01-02 |
2023-08-13 |
mouse |
| Rebecca F Stevenson, Jie Zheng, Lilit Mnatsakanyan, Sumeet Vadera, Robert T Knight, Jack J Lin, Michael A Yass. Hippocampal CA1 gamma power predicts the precision of spatial memory judgments. Proceedings of the National Academy of Sciences of the United States of America. vol 115. issue 40. 2018-10-16. PMID:30224452. |
these results indicate that local processing in hippocampal ca1 and dorsolateral prefrontal cortex supports high-fidelity spatial memory representations. |
2018-10-16 |
2023-08-13 |
Not clear |