All Relations between representation and dg

Publication Sentence Publish Date Extraction Date Species
Nicholas I Woods, Fabio Stefanini, Daniel L Apodaca-Montano, Isabelle M C Tan, Jeremy S Biane, Mazen A Kheirbe. The Dentate Gyrus Classifies Cortical Representations of Learned Stimuli. Neuron. vol 107. issue 1. 2020-10-08. PMID:32359400. we found representations of odors in dg gcs that required synaptic input from the lec. 2020-10-08 2023-08-13 Not clear
Nicholas I Woods, Fabio Stefanini, Daniel L Apodaca-Montano, Isabelle M C Tan, Jeremy S Biane, Mazen A Kheirbe. The Dentate Gyrus Classifies Cortical Representations of Learned Stimuli. Neuron. vol 107. issue 1. 2020-10-08. PMID:32359400. in associative learning, dg gcs, more so than lec neurons, changed their responses to odor stimuli, increasing the distance in neural representations between stimuli, responding more to the conditioned and less to the unconditioned odorant. 2020-10-08 2023-08-13 Not clear
Nicholas I Woods, Fabio Stefanini, Daniel L Apodaca-Montano, Isabelle M C Tan, Jeremy S Biane, Mazen A Kheirbe. The Dentate Gyrus Classifies Cortical Representations of Learned Stimuli. Neuron. vol 107. issue 1. 2020-10-08. PMID:32359400. thus, with learning, dg gcs amplify the decodability of cortical representations of important stimuli, which may facilitate information storage to guide behavior. 2020-10-08 2023-08-13 Not clear
Marie Yokoyama, Naoki Matsu. Loss of Ensemble Segregation in Dentate Gyrus, but not in Somatosensory Cortex, during Contextual Fear Memory Generalization. Frontiers in behavioral neuroscience. vol 10. 2020-09-30. PMID:27872586. our results suggest that the alternations in the ensemble representation within the dg, or in upstream structures that link the sensory cortex to the hippocampus, may underlie generalized contextual fear memory expression. 2020-09-30 2023-08-13 mouse
Soyoun Kim, Dajung Jung, Sébastien Roye. Place cell maps slowly develop via competitive learning and conjunctive coding in the dentate gyrus. Nature communications. vol 11. issue 1. 2020-09-30. PMID:32917862. a competitive learning model of the dg reproduces gc transformations via the progressive integration of landmark-vector cells and spatial inputs and requires mc-mediated feedforward inhibition to evenly distribute gc representations, suggesting that gcs slowly encode conjunctions of objects and spatial information via competitive learning, while mcs help homogenize gc spatial representations. 2020-09-30 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
Shauna M Stark, C Brock Kirwan, Craig E L Star. Mnemonic Similarity Task: A Tool for Assessing Hippocampal Integrity. Trends in cognitive sciences. vol 23. issue 11. 2020-09-22. PMID:31597601. the hippocampus is critical for learning and memory, relying in part on pattern separation processes supported by the dentate gyrus (dg) to prevent interference from overlapping memory representations. 2020-09-22 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. 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
Antonio Marinho da Silva Neto, Samuel Reghim Silva, Michele Vendruscolo, Carlo Camilloni, Rinaldo Wander Montalvã. A superposition free method for protein conformational ensemble analyses and local clustering based on a differential geometry representation of backbone. Proteins. vol 87. issue 4. 2020-04-03. PMID:30582223. here a differential geometry (dg) representation of protein backbone is explored on the analyses of protein conformational ensembles. 2020-04-03 2023-08-13 Not clear
Magdalena Miranda, Brianne A Kent, Juan Facundo Morici, Francisco Gallo, Lisa M Saksida, Timothy J Bussey, Noelia Weisstaub, Pedro Bekinschtei. NMDA receptors and BDNF are necessary for discrimination of overlapping spatial and non-spatial memories in perirhinal cortex and hippocampus. Neurobiology of learning and memory. vol 155. 2019-09-23. PMID:30172952. discrimination of overlapping representations has been investigated in the dentate gyrus (dg) of the hippocampus and largely in the perirhinal cortex (prh). 2019-09-23 2023-08-13 Not clear
William Severa, Ojas Parekh, Conrad D James, James B Aimon. A Combinatorial Model for Dentate Gyrus Sparse Coding. Neural computation. vol 29. issue 1. 2018-12-17. PMID:27764589. the model provides formal methods for a highly redundant, arbitrarily sparse, and decorrelated output signal.to explore the value of this model framework, we assess how suitable it is for two notable aspects of dg coding: how it can handle the highly structured grid cell representation in the input entorhinal cortex region and the presence of adult neurogenesis, which has been proposed to produce a heterogeneous code in the dg. 2018-12-17 2023-08-13 Not clear
Magdalena Miranda, Brianne A Kent, Juan Facundo Morici, Francisco Gallo, Noelia V Weisstaub, Lisa M Saksida, Timothy J Bussey, Pedro Bekinschtei. Molecular Mechanisms in Perirhinal Cortex Selectively Necessary for Discrimination of Overlapping Memories, but Independent of Memory Persistence. eNeuro. vol 4. issue 5. 2018-06-14. PMID:29085903. discrimination of overlapping representations has been investigated in the dentate gyrus of the hippocampus (dg), but little is known about this process in other regions such as the perirhinal cortex (prh). 2018-06-14 2023-08-13 rat
Magdalena Miranda, Brianne A Kent, Juan Facundo Morici, Francisco Gallo, Noelia V Weisstaub, Lisa M Saksida, Timothy J Bussey, Pedro Bekinschtei. Molecular Mechanisms in Perirhinal Cortex Selectively Necessary for Discrimination of Overlapping Memories, but Independent of Memory Persistence. eNeuro. vol 4. issue 5. 2018-06-14. PMID:29085903. we found in male rats that perirhinal brain-derived neurotrophic factor (bdnf) is required for separable storage of overlapping, but not distinct, object representations, which is identical to its role in the dg for spatial representations. 2018-06-14 2023-08-13 rat
Spyridon Chavlis, Panayiota Poiraz. Pattern separation in the hippocampus through the eyes of computational modeling. Synapse (New York, N.Y.). vol 71. issue 6. 2018-02-01. PMID:28316111. the dentate gyrus (dg) in particular has long been hypothesized to implement pattern separation by detecting and storing similar inputs as distinct representations. 2018-02-01 2023-08-13 Not clear
David Berron, Hartmut Schütze, Anne Maass, Arturo Cardenas-Blanco, Hugo J Kuijf, Dharshan Kumaran, Emrah Düze. Strong Evidence for Pattern Separation in Human Dentate Gyrus. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 36. issue 29. 2017-07-11. PMID:27445136. previous neuroimaging studies have provided indirect evidence that the dentate gyrus (dg) and ca3 hippocampal subregions support pattern separation by inferring the nature of underlying representations from the observation of novelty signals. 2017-07-11 2023-08-13 human
David Berron, Hartmut Schütze, Anne Maass, Arturo Cardenas-Blanco, Hugo J Kuijf, Dharshan Kumaran, Emrah Düze. Strong Evidence for Pattern Separation in Human Dentate Gyrus. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 36. issue 29. 2017-07-11. PMID:27445136. here, we use ultra-high-resolution fmri at 7 t and multivariate pattern analysis to provide compelling evidence that the dg subregion specifically sustains representations of similar scenes that are less overlapping than in other hippocampal (e.g., ca3) and medial temporal lobe regions (e.g., entorhinal cortex). 2017-07-11 2023-08-13 human
David Berron, Hartmut Schütze, Anne Maass, Arturo Cardenas-Blanco, Hugo J Kuijf, Dharshan Kumaran, Emrah Düze. Strong Evidence for Pattern Separation in Human Dentate Gyrus. The Journal of neuroscience : the official journal of the Society for Neuroscience. vol 36. issue 29. 2017-07-11. PMID:27445136. our study, in providing a mechanistic link between novelty signals and the underlying representations, constitutes the first demonstration that the human dg performs pattern separation. 2017-07-11 2023-08-13 human
Joel Zylberberg, Robert A Hyde, Ben W Strowbridg. Dynamics of robust pattern separability in the hippocampal dentate gyrus. Hippocampus. vol 26. issue 5. 2017-01-06. PMID:26482936. the dentate gyrus (dg) is thought to perform pattern separation on inputs received from the entorhinal cortex, such that the dg forms distinct representations of different input patterns. 2017-01-06 2023-08-13 Not clear
James J Knierim, Joshua P Neunuebe. Tracking the flow of hippocampal computation: Pattern separation, pattern completion, and attractor dynamics. Neurobiology of learning and memory. vol 129. 2016-12-13. PMID:26514299. compared to the standard cue environment, the change in the dg representation of the cue-mismatch environment was greater than the changes in its entorhinal inputs, providing support for the theory of pattern separation in the dg. 2016-12-13 2023-08-13 Not clear
James J Knierim, Joshua P Neunuebe. Tracking the flow of hippocampal computation: Pattern separation, pattern completion, and attractor dynamics. Neurobiology of learning and memory. vol 129. 2016-12-13. PMID:26514299. in contrast, the change in the ca3 representation of the cue-mismatch environment was less than the changes in its entorhinal and dg inputs, providing support for a pattern completion/error correction function of ca3. 2016-12-13 2023-08-13 Not clear