| Publication |
Sentence |
Publish Date |
Extraction Date |
Species |
| Zachariah M Reagh, Charan Ranganat. Flexible reuse of cortico-hippocampal representations during encoding and recall of naturalistic events. Nature communications. vol 14. issue 1. 2023-03-08. PMID:36890146. |
medial prefrontal cortex generalized across videos depicting the same event schema, whereas the hippocampus maintained event-specific representations. |
2023-03-08 |
2023-08-14 |
Not clear |
| Orsolya Fölsz, Stéphanie Trouche, Vincent Crose. Adult-born neurons add flexibility to hippocampal memories. Frontiers in neuroscience. vol 17. 2023-03-06. PMID:36875670. |
episodic-like memories encoded in the hippocampus require the dentate gyrus to decorrelate similar experiences by generating distinct neuronal representations from overlapping inputs (pattern separation). |
2023-03-06 |
2023-08-14 |
Not clear |
| Helena Shizhe Wang, Shayna Rosenbaum, Stevenson Baker, Claire Lauzon, Laura J Batterink, Stefan Köhle. Dentate Gyrus Integrity Is Necessary for Behavioral Pattern Separation But Not Statistical Learning. Journal of cognitive neuroscience. 2023-03-06. PMID:36877071. |
pattern separation, the creation of distinct representations of similar inputs, and statistical learning, the rapid extraction of regularities across multiple inputs, have both been linked to hippocampal processing. |
2023-03-06 |
2023-08-14 |
human |
| Masaaki Sato, Miki Kimura, Ai Ueda, Yuya Miyamot. [Imaging brain activity in virtual reality: abnormal hippocampal cognitive maps in autism model mice]. Nihon yakurigaku zasshi. Folia pharmacologica Japonica. vol 158. issue 2. 2023-03-01. PMID:36858493. |
it is thus possible that some asd cases involve cognitive mapping abnormalities, such as the distortion of hippocampal information representation that our study revealed. |
2023-03-01 |
2023-08-14 |
mouse |
| D Parker Kelley, Lucas Albrechet-Souza, Shealan Cruise, Rajani Maiya, Aspasia Destouni, Siva S V P Sakamuri, Alexander Duplooy, Meghan Hibicke, Charles Nichols, Prasad V G Katakam, Nicholas W Gilpin, Joseph Franci. Conditioned place avoidance is associated with a distinct hippocampal phenotype, partly preserved pattern separation, and reduced reactive oxygen species production after stress. Genes, brain, and behavior. 2023-02-22. PMID:36807494. |
these deficits may emerge from impaired pattern separation, the independent representation of similar experiences by the dentate gyrus-cornu ammonis 3 (dg-ca3) circuit of the dorsal hippocampus, which allows for appropriate behavioral responses to specific environmental stimuli. |
2023-02-22 |
2023-08-14 |
rat |
| Brynn E Sherman, Bailey B Harris, Nicholas B Turk-Browne, Rajita Sinha, Elizabeth V Goldfar. Hippocampal mechanisms support cortisol-induced memory enhancements. bioRxiv : the preprint server for biology. 2023-02-17. PMID:36798309. |
cortisol also modified the relationship between hippocampal representations and memory: whereas hippocampal signatures of distinctiveness predicted memory under placebo, relative integration predicted memory under cortisol. |
2023-02-17 |
2023-08-14 |
human |
| Corey Fernandez, Jiefeng Jiang, Shao-Fang Wang, Hannah Lee Choi, Anthony D Wagne. Representational integration and differentiation in the human hippocampus following goal-directed navigation. eLife. vol 12. 2023-02-14. PMID:36786678. |
pattern similarity analyses on entorhinal cortical and hippocampal patterns revealed evidence that differentiation and integration work concurrently to build local and global environmental representations, and that variability in integration relates to differences in navigation efficiency. |
2023-02-14 |
2023-08-14 |
human |
| Ingrid M Esteves, HaoRan Chang, Adam R Neumann, Bruce L McNaughto. Consolidation of cellular memory representations in superficial neocortex. iScience. vol 26. issue 2. 2023-02-09. PMID:36756366. |
mice require an intact hippocampus for "virtual" spatial learning and to develop neocortical representations of the corresponding experiences. |
2023-02-09 |
2023-08-14 |
mouse |
| Ingrid M Esteves, HaoRan Chang, Adam R Neumann, Bruce L McNaughto. Consolidation of cellular memory representations in superficial neocortex. iScience. vol 26. issue 2. 2023-02-09. PMID:36756366. |
we find that, whereas a novel virtual environment is neither learned nor represented in superficial cortex following severe damage to hippocampus, pre-operatively learned memories and their corresponding sparse and widespread neural ensemble representations in cortical layers ii-iii are preserved, a |
2023-02-09 |
2023-08-14 |
mouse |
| Andrew C Toader, Josue M Regalado, Yan Ran Li, Andrea Terceros, Nakul Yadav, Suraj Kumar, Sloane Satow, Florian Hollunder, Alessandra Bonito-Oliva, Priya Rajasethupath. Anteromedial Thalamus Gates the Selection & Stabilization of Long-Term Memories. bioRxiv : the preprint server for biology. 2023-02-07. PMID:36747720. |
we found that whereas hippocampus equally encodes multiple memories, the anteromedial thalamus forms preferential tuning to salient memories, and establishes inter-regional correlations with cortex, that are critical for synchronizing and stabilizing cortical representations at remote time. |
2023-02-07 |
2023-08-14 |
mouse |
| Matthias Ekman, Sarah Kusch, Floris P de Lang. Successor-like representation guides the prediction of future events in human visual cortex and hippocampus. eLife. vol 12. 2023-02-02. PMID:36729024. |
successor-like representation guides the prediction of future events in human visual cortex and hippocampus. |
2023-02-02 |
2023-08-14 |
human |
| Matthias Ekman, Sarah Kusch, Floris P de Lang. Successor-like representation guides the prediction of future events in human visual cortex and hippocampus. eLife. vol 12. 2023-02-02. PMID:36729024. |
recently, it has been proposed that hippocampal representations take the form of a predictive map-like structure, the so-called successor representation (sr). |
2023-02-02 |
2023-08-14 |
human |
| Matthias Ekman, Sarah Kusch, Floris P de Lang. Successor-like representation guides the prediction of future events in human visual cortex and hippocampus. eLife. vol 12. 2023-02-02. PMID:36729024. |
moreover, the hippocampus developed a coactivation profile that showed sensitivity to the temporal distance in sequence space, with fading representations for sequence events in the more distant past and future. |
2023-02-02 |
2023-08-14 |
human |
| Azul Silva, María Cecilia Martíne. Spatial memory deficits in Alzheimer's disease and their connection to cognitive maps' formation by place cells and grid cells. Frontiers in behavioral neuroscience. vol 16. 2023-01-30. PMID:36710956. |
place cells and grid cells, collectively with other hippocampal and medial entorhinal cortex neurons (mec), form a neural network whose activity is critical for the representation of self-position and orientation along with spatial memory retrieval. |
2023-01-30 |
2023-08-14 |
Not clear |
| Aina Badia-Soteras, Tim S Heistek, Mandy S J Kater, Aline Mak, Adrian Negrean, Michel C van den Oever, Huibert D Mansvelder, Baljit S Khakh, Rogier Min, August B Smit, Mark H G Verheije. Retraction of Astrocyte Leaflets From the Synapse Enhances Fear Memory. Biological psychiatry. 2023-01-26. PMID:36702661. |
the formation and retrieval of fear memories depends on orchestrated synaptic activity of neuronal ensembles within the hippocampus, and it is becoming increasingly evident that astrocytes residing in the environment of these synapses play a central role in shaping cellular memory representations. |
2023-01-26 |
2023-08-14 |
Not clear |
| Guillaume Etter, Suzanne van der Veldt, Jisoo Choi, Sylvain William. Optogenetic frequency scrambling of hippocampal theta oscillations dissociates working memory retrieval from hippocampal spatiotemporal codes. Nature communications. vol 14. issue 1. 2023-01-25. PMID:36697399. |
while pharmacological inhibition of medial septal neurons is known to disrupt memory, the exact role of septal inhibitory neurons in regulating hippocampal representations and memory is not fully understood. |
2023-01-25 |
2023-08-14 |
Not clear |
| Taiping Zeng, Bailu Si, Xiaoli L. Entorhinal-hippocampal interactions lead to globally coherent representations of space. Current research in neurobiology. vol 3. 2023-01-23. PMID:36685760. |
these results demonstrate that the hippocampus and the entorhinal cortex work together to form globally coherent metric representations of the environment. |
2023-01-23 |
2023-08-14 |
Not clear |
| Kyogo S Kobayashi, Naoki Matsu. Persistent representation of the environment in the hippocampus. Cell reports. vol 42. issue 1. 2023-01-14. PMID:36640328. |
persistent representation of the environment in the hippocampus. |
2023-01-14 |
2023-08-14 |
mouse |
| Antonella Borreca, Mariassunta De Luca, Antonella Ferrante, Zaira Boussadia, Annabella Pignataro, Alberto Martire, Martine Ammassari-Teul. Fmr1-KO mice failure to detect object novelty associates with a post-test decrease of structural and synaptic plasticity upstream of the hippocampus. Scientific reports. vol 13. issue 1. 2023-01-14. PMID:36641518. |
our findings reveal that the inability of mice to detect object novelty primarily stands in their impediment to elaborate, and convey to the hippocampus, sensory/perceptive object representations. |
2023-01-14 |
2023-08-14 |
mouse |
| Emily Z Huie, Anthony Escudero, Naomi Saito, Danielle Harvey, My-Le Nguyen, Katherine L Lucot, Jayne LaGrande, Dan Mungas, Charles DeCarli, Melissa Lamar, Julie A Schneider, Alifiya Kapasi, Robert A Rissman, Andrew F Teich, Brittany N Dugge. TDP-43 Pathology in the Setting of Intermediate and High Alzheimer's Disease Neuropathologic Changes: A Preliminary Evaluation Across Ethnoracial Groups. Journal of Alzheimer's disease : JAD. 2023-01-09. PMID:36617779. |
tdp-43 pathology is associated with hippocampal atrophy and greater ad severity denoted by cognition and clinical representation. |
2023-01-09 |
2023-08-14 |
Not clear |