ArticleProceedings of the National Academy of Sciences of the United States of America2023
Hippocampal-cortical coupling differentiates long-term memory processes.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 20 citations in OpenAlex.
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- Autoregulated macro-microcycle training enhances physiological reserve and adaptability in competitive speed skaters.BMC sports science, medicine & rehabilitation · 2025Article
- LIMK1 Deficiency Disrupts Hippocampal-Cortical Memory Consolidation and Attenuates Trauma-Induced PTSD-like Behavior.Biology · 2025Article
- Ripple contributions to human memory: making the spiking content count.Nature reviews. Neuroscience · 2025Review
- Closed-loop electrical stimulation prevents focal epilepsy progression and long-term memory impairment.Nature neuroscience · 2025Article
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- Spatial control of doping in conducting polymers enables complementary, conformable, implantable internal ion-gated organic electrochemical transistors.Nature communications · 2025Article
- High-Density, Conformable Conducting Polymer-Based Implantable Neural Probes for the Developing Brain.Advanced healthcare materials · 2024Article
- Pathological neurons generate ripples at the UP-DOWN transition disrupting information transfer.Epilepsia · 2024Article
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- Hippocampal memory reactivation during sleep is correlated with specific cortical states of the retrosplenial and prefrontal cortices.Learning & memory (Cold Spring Harbor, N.Y.) · 2023Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
Reactivation of long-term memories enables experience-dependent strengthening, weakening, or updating of memory traces. Although coupling of hippocampal and cortical activity patterns facilitates initial memory consolidation, whether and how these patterns are involved in postreactivation memory processes are not known. Here, we monitored the hippocampal-cortical network as rats repetitively learned and retrieved spatial and nonspatial memories. We show that interactions between hippocampal sharp wave-ripples (SPW-R), cortical spindles (SPI), and cortical ripples (CXR) are jointly modulated in the absence of memory demand but independently recruited depending on the stage of memory and task type. Reconsolidation of memory after retrieval is associated with an increased and extended window of coupling between hippocampal SPW-Rs and CXRs compared to the initial consolidation. Hippocampal SPW-R and cortical spindle interactions are preferentially engaged during memory consolidation. These findings suggest that specific, time-limited patterns of oscillatory coupling can support the distinct memory processes required to flexibly manage long-term memories in a dynamic environment.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.