Hongyu Chang, Wenbo Tang, Annabella M. Wulf, Thokozile Nyasulu, Madison E. Wolf, Antonio Fernandez-Ruiz & Azahara Oliva. Sleep microstructure organizes memory replay. Nature (2025). https://doi.org/10.1038/s41586-024-08340-w
Abstract
“Recently acquired memories are reactivated in the hippocampus during sleep, an initial step …
Jake F. Watson, Victor Vargas-Barroso, Rebecca J. Morse-Mora, Andrea Navas-Olive, Mojtaba R. Tavakoli, Johann G. Danzl, Matthias Tomschik, Karl Rössler, Peter Jonas. Human hippocampal CA3 uses specific functional connectivity rules for efficient associative memory. Cell, 2024. DOI: 10.1016/j.cell.2024.11.022
Summary…
Clément Pouget, Flora Morier, Nadja Treiber, Pablo Fernández García, Nina Mazza, Run Zhang, Isaiah Reeves, Stephen Winston, Mark A. Brimble, Christina K. Kim, Gisella Vetere. Deconstruction of a memory engram reveals distinct ensembles recruited at learning. bioRxiv 2024.12.11.627894; doi: …
Zaki, Y., Pennington, Z.T., Morales-Rodriguez, D. et al. Offline ensemble co-reactivation links memories across days. Nature (2024). https://doi.org/10.1038/s41586-024-08168-4
Abstract
“Memories are encoded in neural ensembles during learning1,2,3,4,5,6 and are stabilized by post-learning reactivation7,8,9,10,11,12,13,14,15,16,17. Integrating recent experiences into existing memories …
D. E. Dijksterhuis et al. ,Pronouns reactivate conceptual representations in human hippocampal neurons.Science 385,1478-1484(2024).DOI:10.1126/science.adr2813
Abstract
“During discourse comprehension, every new word adds to an evolving representation of meaning that accumulates over consecutive sentences and constrains the next words…
Vilde A. Kveim et al. ,Divergent recruitment of developmentally defined neuronal ensembles supports memory dynamics.Science 385,eadk0997(2024).DOI:10.1126/science.adk0997
Editor’s summary
“Memories are not fixed; they evolve after encoding and their content can be updated upon changes in external or …
Jeremy S. Biane, Max A. Ladow, Fabio Stefanini, Sayi P. Boddu, Austin Fan, Shazreh Hassan, Naz Dundar, Daniel L. Apodaca-Montano, Lexi Zichen Zhou, Varya Fayner, Nicholas I. Woods & Mazen A. Kheirbek. Neural dynamics underlying associative learning in the dorsal …
Reagh, Z.M., Ranganath, C. Flexible reuse of cortico-hippocampal representations during encoding and recall of naturalistic events. Nat Commun 14, 1279 (2023). https://doi.org/10.1038/s41467-023-36805-5
Abstract
“Although every life event is unique, there are considerable commonalities across events. However, little is known …
Teixeira De Almeida, M., Faulmann, I., Seeber, M., Gschwend, K., Maurer, R., & Burra, N. 2023. Electrophysiological correlates of distance and direction processing during cognitive map retrieval: A source analysis. Frontiers in Human Neuroscience, 17, 42.
“The aim …
Eleanor Spens, Neil Burgess. A Generative Model of Memory Construction and Consolidation. bioRxiv 2023.01.19.524711; doi: https://doi.org/10.1101/2023.01.19.524711
Abstract
“Human episodic memories are (re)constructed, combining unique features with schema-based predictions, and share neural substrates with imagination. They also show systematic schema-based …
G. Elliott Wimmer, Yunzhe Liu, Daniel C. McNamee, and Raymond J. Dolan. Distinct replay signatures for prospective decision-making and memory preservation. PNAS, 120 (6) e2205211120, 2023.
Significance
“The sequential neural reactivation of prior experience, known as replay, is …
Timothy J Tyree, Michael Metke, Cory T Miller. Cross-Modal Representation of Identity in Primate Hippocampus. bioRxiv 2022.09.12.507611; doi: https://doi.org/10.1101/2022.09.12.507611
Abstract
“Faces and voices are the dominant social signals used to recognize individuals amongst human and nonhuman primates 1–5. Yet, …