All Relations between representation and hippocampus

Publication Sentence Publish Date Extraction Date Species
Yuri Elias Rodrigues, Cezar M Tigaret, Hélène Marie, Cian O'Donnell, Romain Velt. A stochastic model of hippocampal synaptic plasticity with geometrical readout of enzyme dynamics. eLife. vol 12. 2023-08-17. PMID:37589251. we apply this readout to a multi-timescale model of hippocampal synaptic plasticity induction that includes electrical dynamics, calcium, camkii and calcineurin, and accurate representation of intrinsic noise sources. 2023-08-17 2023-09-07 Not clear
Hannah Tarder-Stoll, Christopher Baldassano, Mariam Al. The brain hierarchically represents the past and future during multistep anticipation. bioRxiv : the preprint server for biology. 2023-08-07. PMID:37546761. temporal structure was represented in the hippocampus and across visual regions (1) bidirectionally, with graded representations into the past and future and (2) hierarchically, with further events into the past and future represented in successively more anterior brain regions. 2023-08-07 2023-08-14 human
Alison Montagrin, Denise E Croote, Maria Giulia Preti, Liron Lerman, Mark G Baxter, Daniela Schille. Hippocampal timestamp for goals. bioRxiv : the preprint server for biology. 2023-08-07. PMID:37546946. previous work has documented a functional transformation from fine-grained, detail rich representations in the posterior hippocampus to coarse, gist-like representations in the anterior hippocampus. 2023-08-07 2023-08-14 human
Maya Geva-Sagiv, Halle R Dimsdale-Zucker, Ashley B Williams, Charan Ranganat. Proximity to boundaries reveals spatial context representation in human hippocampal CA1. Neuropsychologia. 2023-08-04. PMID:37541615. research in humans and non-human animal models has suggested that spatial environmental boundaries have a powerful influence on spatial and episodic memory, as well as hippocampal representations of contexts and events. 2023-08-04 2023-08-14 human
Maya Geva-Sagiv, Halle R Dimsdale-Zucker, Ashley B Williams, Charan Ranganat. Proximity to boundaries reveals spatial context representation in human hippocampal CA1. Neuropsychologia. 2023-08-04. PMID:37541615. our results highlight the privileged role of boundaries in ca1 and suggest more generally a close relationship between memory for spatial contexts and representations in the hippocampus and parahippocampal region. 2023-08-04 2023-08-14 human
Pegah Kassraian, Shivani K Bigler, Diana M Gilly, Neilesh Shrotri, Steven A Siegelbau. A neural mechanism for discriminating threatening from safe social experiences. bioRxiv : the preprint server for biology. 2023-07-18. PMID:37461518. thus, our results demonstrate, for the first time, that the same hippocampal ca2 subregion mediates social memories based on conspecific familiarity and social threat, through the incorporation of a representation of social valence into an initial representation of social identity. 2023-07-18 2023-08-14 Not clear
Ravi D Mill, Michael W Col. Neural representation dynamics reveal computational principles of cognitive task learning. bioRxiv : the preprint server for biology. 2023-07-10. PMID:37425922. further, we found that conjunctions originated in subcortex (hippocampus and cerebellum) and slowly spread to cortex, extending multiple memory systems theories to encompass task representation learning. 2023-07-10 2023-08-14 human
François-Xavier Michon, Isabel Laplante, Anthony Bosson, Richard Robitaille, Jean-Claude Lacaill. mTORC1-mediated acquisition of reward-related representations by hippocampal somatostatin interneurons. Molecular brain. vol 16. issue 1. 2023-07-03. PMID:37400913. mtorc1-mediated acquisition of reward-related representations by hippocampal somatostatin interneurons. 2023-07-03 2023-08-14 Not clear
Dorgham Khatib, Aviv Ratzon, Mariell Sellevoll, Omri Barak, Genela Morris, Dori Derdikma. Active experience, not time, determines within-day representational drift in dorsal CA1. Neuron. 2023-06-14. PMID:37315557. we compared the within-day stability of place cells' representations in dorsal ca1 of the hippocampus of mice traversing two similar, familiar tracks for different durations. 2023-06-14 2023-08-14 mouse
Neal W Morton, Ellen L Zippi, Alison R Presto. Memory reactivation and suppression modulate integration of the semantic features of related memories in hippocampus. Cerebral cortex (New York, N.Y. : 1991). 2023-06-02. PMID:37264937. moreover, anterior hippocampus (ahpc) formed integrated representations combining the semantic features of overlapping events. 2023-06-02 2023-08-14 Not clear
Neal W Morton, Ellen L Zippi, Alison R Presto. Memory reactivation and suppression modulate integration of the semantic features of related memories in hippocampus. Cerebral cortex (New York, N.Y. : 1991). 2023-06-02. PMID:37264937. we further found evidence that ahpc integration may be modulated on a trial-by-trial basis by interactions between ventrolateral pfc and anterior mpfc, with suppression of item-specific memory representations in anterior mpfc inhibiting hippocampal integration. 2023-06-02 2023-08-14 Not clear
Jordan Crivelli-Decker, Alex Clarke, Seongmin A Park, Derek J Huffman, Erie D Boorman, Charan Ranganat. Goal-oriented representations in the human hippocampus during planning and navigation. Nature communications. vol 14. issue 1. 2023-05-23. PMID:37221176. goal-oriented representations in the human hippocampus during planning and navigation. 2023-05-23 2023-08-14 human
Jin Li, Dan Cao, Shan Yu, Xinyu Xiao, Lukas Imbach, Lennart Stieglitz, Johannes Sarnthein, Tianzi Jian. Functional specialization and interaction in the amygdala-hippocampus circuit during working memory processing. Nature communications. vol 14. issue 1. 2023-05-22. PMID:37217494. here, we simultaneously recorded intracranial eeg from the amygdala and hippocampus of epilepsy patients while performing a wm task, and compared their representation patterns during the encoding and maintenance periods. 2023-05-22 2023-08-14 Not clear
Jin Li, Dan Cao, Shan Yu, Xinyu Xiao, Lukas Imbach, Lennart Stieglitz, Johannes Sarnthein, Tianzi Jian. Functional specialization and interaction in the amygdala-hippocampus circuit during working memory processing. Nature communications. vol 14. issue 1. 2023-05-22. PMID:37217494. the hippocampal representations, however, were more similar across different items but remained stable in the absence of the stimulus. 2023-05-22 2023-08-14 Not clear
Jiali Liu, Dong Chen, Xue Xiao, Hui Zhang, Wenjing Zhou, Shuli Liang, Lukas Kunz, Andreas Schulze-Bonhage, Nikolai Axmacher, Liang Wan. Multi-scale goal distance representations in human hippocampus during virtual spatial navigation. Current biology : CB. 2023-05-06. PMID:37148875. multi-scale goal distance representations in human hippocampus during virtual spatial navigation. 2023-05-06 2023-08-14 human
Minjae Kwon, Sang Wan Lee, Sue-Hyun Le. Hippocampal integration and separation processes with different temporal and spatial dynamics during learning for associative memory. Human brain mapping. 2023-05-05. PMID:37145954. by tracking the changes in the hippocampal representations of associated stimuli on a cycle-by-cycle basis as learning progressed, we show that both integration and separation processes occur in the hippocampus with different temporal dynamics. 2023-05-05 2023-08-14 Not clear
Eunji Kong, Kyu-Hee Lee, Jongrok Do, Pilhan Kim, Doyun Le. Dynamic and stable hippocampal representations of social identity and reward expectation support associative social memory in male mice. Nature communications. vol 14. issue 1. 2023-05-05. PMID:37147388. dynamic and stable hippocampal representations of social identity and reward expectation support associative social memory in male mice. 2023-05-05 2023-08-14 mouse
Chi-Hsun Chang, Sukhan Zehra, Adrian Nestor, Andy C H Le. Using image reconstruction to investigate face perception in amnesia. Neuropsychologia. 2023-04-29. PMID:37119985. the present study employed a behavioral-based image reconstruction approach to reveal the pictorial representations of face perception in two amnesic patients: da, who has an extensive bilateral mtl lesion that extends beyond the mtl in the right hemisphere, and bl, who has damage to the hippocampal dentate gyrus (dg). 2023-04-29 2023-08-14 human
Xuhao Shao, Ao Li, Chuansheng Chen, Elizabeth F Loftus, Bi Zh. Cross-stage neural pattern similarity in the hippocampus predicts false memory derived from post-event inaccurate information. Nature communications. vol 14. issue 1. 2023-04-21. PMID:37085518. no study has systematically tested theories about the dynamics of human hippocampal representations during the three stages of misinformation-induced false memory. 2023-04-21 2023-08-14 human
Xuhao Shao, Ao Li, Chuansheng Chen, Elizabeth F Loftus, Bi Zh. Cross-stage neural pattern similarity in the hippocampus predicts false memory derived from post-event inaccurate information. Nature communications. vol 14. issue 1. 2023-04-21. PMID:37085518. during the memory-test stage, hippocampal representations of original information are weakened for true memory, whereas hippocampal representations of misinformation compete with original information to create false memory. 2023-04-21 2023-08-14 human