| Publication |
Sentence |
Publish Date |
Extraction Date |
Species |
| Lindsey M Crown, Daniel T Gray, Lesley A Schimanski, Carol A Barnes, Stephen L Cowe. Aged rats exhibit altered behavior-induced oscillatory activity, place cell firing rates, and spatial information content in the CA1 region of the hippocampus. The Journal of neuroscience : the official journal of the Society for Neuroscience. 2022-04-28. PMID:35477900. |
furthermore, observed changes in ca1 place cell firing rates and information content lend support to the hypothesis that age may result in more general and context-invariant hippocampal representations over more detailed information. |
2022-04-28 |
2023-08-13 |
rat |
| James B Priestley, John C Bowler, Sebi V Rolotti, Stefano Fusi, Attila Losoncz. Signatures of rapid plasticity in hippocampal CA1 representations during novel experiences. Neuron. 2022-04-21. PMID:35447088. |
signatures of rapid plasticity in hippocampal ca1 representations during novel experiences. |
2022-04-21 |
2023-08-13 |
mouse |
| Hyunsu Le. Toward the biological model of the hippocampus as the successor representation agent. Bio Systems. 2022-01-30. PMID:35093444. |
inspired by the successor representation (sr) learning algorithms, which decompose value function of td learning into reward and state transition, they argued that the rate of firing of ca1 place cells in the hippocampus represents the probability of state transition. |
2022-01-30 |
2023-08-13 |
Not clear |
| Jan L Klee, Bryan C Souza, Francesco P Battagli. Learning differentially shapes prefrontal and hippocampal activity during classical conditioning. eLife. vol 10. 2021-11-18. PMID:34665131. |
ca1 and pfc neurons undergo distinct learning-dependent changes at the single-cell level and maintain representations of cue identity at the population level. |
2021-11-18 |
2023-08-13 |
mouse |
| Bruce Harland, Marco Contreras, Madeline Souder, Jean-Marc Fellou. Dorsal CA1 hippocampal place cells form a multi-scale representation of megaspace. Current biology : CB. vol 31. issue 10. 2021-11-10. PMID:33770492. |
dorsal ca1 hippocampal place cells form a multi-scale representation of megaspace. |
2021-11-10 |
2023-08-13 |
Not clear |
| Sandrine Cremona, Laure Zago, Emmanuel Mellet, Laurent Petit, Alexandre Laurent, Antonietta Pepe, Ami Tsuchida, Naka Beguedou, Marc Joliot, Christophe Tzourio, Bernard Mazoyer, Fabrice Crivell. Novel characterization of the relationship between verbal list-learning outcomes and hippocampal subfields in healthy adults. Human brain mapping. vol 42. issue 16. 2021-10-23. PMID:34453474. |
this mediation suggests that integrating items into associative representations during verbal list-learning tests explains ca1 volume variations: this new explanation is consistent with the associative functions of the human ca1. |
2021-10-23 |
2023-08-13 |
human |
| Udaysankar Chockanathan, Krishnan Padmanabha. Divergence in Population Coding for Space between Dorsal and Ventral CA1. eNeuro. vol 8. issue 5. 2021-10-20. PMID:34433573. |
populations of neurons in dorsal ca1 showed more complex patterns of activity, which resulted in a higher dimensionality of neural representations that translated to more information being encoded, as compared ensembles in vca1. |
2021-10-20 |
2023-08-13 |
mouse |
| Natalie Ness, Simon R Schult. A computational grid-to-place-cell transformation model indicates a synaptic driver of place cell impairment in early-stage Alzheimer's Disease. PLoS computational biology. vol 17. issue 6. 2021-10-18. PMID:34133417. |
here, we present a grid-cell-to-place-cell transformation model of long-term ca1 place cell dynamics to interrogate the effect of synaptic loss on network function and environmental representation. |
2021-10-18 |
2023-08-13 |
mouse |
| Jon Palacios-Filardo, Matt Udakis, Giles A Brown, Benjamin G Tehan, Miles S Congreve, Pradeep J Nathan, Alastair J H Brown, Jack R Mello. Acetylcholine prioritises direct synaptic inputs from entorhinal cortex to CA1 by differential modulation of feedforward inhibitory circuits. Nature communications. vol 12. issue 1. 2021-10-18. PMID:34531380. |
an influential but largely untested theory proposes that memory formation requires acetylcholine to enhance responses in ca1 to new sensory information from entorhinal cortex whilst depressing inputs from previously encoded representations in ca3. |
2021-10-18 |
2023-08-13 |
Not clear |
| Brad A Radvansky, Jun Young Oh, Jason R Climer, Daniel A Dombec. Behavior determines the hippocampal spatial mapping of a multisensory environment. Cell reports. vol 36. issue 5. 2021-08-24. PMID:34293330. |
these tasks engage different proportions of visuo-spatial and olfacto-spatial mapping ca1 neurons and different population-level representations of each sensory-spatial coordinate. |
2021-08-24 |
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. |
object and object-memory representations across the proximodistal axis of ca1. |
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. |
finally, representations of previous object locations were closer to those locations in distal ca1 than proximal ca1. |
2021-07-22 |
2023-08-13 |
rat |
| Dana L McMakin, Adam Kimbler, Nicholas J Tustison, Jeremy W Pettit, Aaron T Mattfel. Negative Overgeneralization is Associated with Anxiety and Mechanisms of Pattern Completion in Peripubertal Youth. Social cognitive and affective neuroscience. 2021-07-16. PMID:34270763. |
we alternatively propose that neuro-maturational changes that favor pattern completion (cues reinstate stored representations, indexed by ca1 activation) are modulated by circuitry involved in emotional responding (amygdala, medial prefrontal cortices [mpfc]) to drive negative overgeneralization. |
2021-07-16 |
2023-08-13 |
human |
| Chia-Hsuan Wang, Joseph D Monaco, James J Knieri. Hippocampal Place Cells Encode Local Surface-Texture Boundaries. Current biology : CB. vol 30. issue 8. 2021-07-15. PMID:32109393. |
we examined the neural representation of flat surface cue boundaries, and of the space segregated by these boundaries, by recording place cell activity from ca1 and ca3 while rats foraged on a circular track or square platforms with inhomogeneous surface textures. |
2021-07-15 |
2023-08-13 |
rat |
| Michael D Adoff, Jason R Climer, Heydar Davoudi, Jonathan S Marvin, Loren L Looger, Daniel A Dombec. The functional organization of excitatory synaptic input to place cells. Nature communications. vol 12. issue 1. 2021-06-30. PMID:34117238. |
since they largely inherit their fields from upstream synaptic partners with similar fields, many ca1 place cells appear to be part of multi-brain-region cell assemblies forming representations of specific locations. |
2021-06-30 |
2023-08-13 |
mouse |
| Herborg N Ásgeirsdóttir, Sarah J Cohen, Robert W Stackma. Object and place information processing by CA1 hippocampal neurons of C57BL/6J mice. Journal of neurophysiology. vol 123. issue 3. 2021-06-18. PMID:32023149. |
here, the contributions of mouse ca1 neuronal activity to object recognition memory and the emergence of object-place conjunctive representations were tested using in vivo recordings and functional inactivation. |
2021-06-18 |
2023-08-13 |
mouse |
| Herborg N Ásgeirsdóttir, Sarah J Cohen, Robert W Stackma. Object and place information processing by CA1 hippocampal neurons of C57BL/6J mice. Journal of neurophysiology. vol 123. issue 3. 2021-06-18. PMID:32023149. |
independent of arena configuration, ca1 place fields were stable throughout testing and object-place representations were not identified in ca1, although the number of fields per cell increased during object sessions, and few object-related firing ca1 neurons (nonplace) were recorded. |
2021-06-18 |
2023-08-13 |
mouse |
| Jae Sung Lee, John J Briguglio, Jeremy D Cohen, Sandro Romani, Albert K Le. The Statistical Structure of the Hippocampal Code for Space as a Function of Time, Context, and Value. Cell. vol 183. issue 3. 2021-05-19. PMID:33035454. |
using longitudinal calcium imaging in mice, multiple large virtual environments, and differing reward contingencies, we derived a unified probabilistic model of ca1 representations centered on a single feature-the field propensity. |
2021-05-19 |
2023-08-13 |
mouse |
| Takuma Kitanishi, Ryoko Umaba, Kenji Mizusek. Robust information routing by dorsal subiculum neurons. Science advances. vol 7. issue 11. 2021-03-24. PMID:33692111. |
subicular neurons demonstrated a noise-resistant representation of place, speed, and trajectory, which was as accurate as or even more accurate than that of hippocampal ca1 neurons. |
2021-03-24 |
2023-08-13 |
rat |
| Melanie J Sekeres, Morris Moscovitch, Cheryl L Grady, D Gregory Sullens, Gordon Winocu. Reminders reinstate context-specificity to generalized remote memories in rats: relation to activity in the hippocampus and aCC. Learning & memory (Cold Spring Harbor, N.Y.). vol 27. issue 1. 2021-01-22. PMID:31843976. |
c-fos expression in dorsal ca1 was observed following retrieval in the original context, but not in a novel context, whether or not the memory was reactivated, suggesting that dca1 retains the context-specific representation. |
2021-01-22 |
2023-08-13 |
rat |