Cited by 180Memory and Neural MechanismsSleep and Wakefulness ResearchNeural dynamics and brain function

Memory trace replay: The shaping of memory consolidation by neuromodulation

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Atherton, Laura A., Dupret, David, Mellor, Jack R.·2015·Trends in Neurosciences

Abstract

The consolidation of memories for places and events is thought to rely, at the network level, on the replay of spatially tuned neuronal firing patterns representing discrete places and spatial trajectories. This occurs in the hippocampal-entorhinal circuit during sharp wave ripple events (SWRs) that occur during sleep or rest. Here, we review theoretical models of lingering place cell excitability and behaviorally induced synaptic plasticity within cell assemblies to explain which sequences or places are replayed. We further provide new insights into how fluctuations in cholinergic tone during different behavioral states might shape the direction of replay and how dopaminergic release in response to novelty or reward can modulate which cell assemblies are replayed.

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Crossref · 10.1016/j.tins.2015.07.004

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  • The specific form of memory replay and synaptic plasticity arising in adversarial learning may be induced through differential activation of neuromodulators, as observed during transition across sleep stages and in shaping memory replay in general.

    “The specific form of memory replay and synaptic plasticity arising in adversarial learning may be induced through differential activation of neuromodulators, as it is also observed during the transition across sleep stages [47], and in shaping memory replay in general [48].”

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  1. [3]Hebb D.O. The Organisation of Behavior 1949 Wiley

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Authors
Atherton, L. A., Dupret, D., & Mellor, J. R.
Affiliations
  • University of Bristol (GB)
  • University of Oxford (GB)
Corresponding author
Atherton, Laura A.
Venue
Trends in Neurosciences
Publisher
Elsevier BV
Published
2015-09
Volume
38
Issue
9
Pages
560-570
ISSN
0166-2236 (ISSN-L)
OpenAlex
W1900041959
Cited by
180
References
130
Citations by year
2026: 9 · 2025: 15 · 2024: 16 · 2023: 12 · 2022: 17 · 2021: 18 · 2020: 17 · 2019: 20 · 2018: 22 · 2017: 21 · 2016: 10 · 2015: 2
FWCI
1.82
Type
journal article
Language
en
Open access
Locations
  • Trends in Neurosciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Bristol Research (University of Bristol) (publishedVersion, cc-by)
  • Explore Bristol Research (submittedVersion, cc-by)
Funders
  • Eli Lilly and Company
  • Wellcome Trust (101029/Z/13/Z, 101029)
  • Directorate for Biological Sciences
  • Medical Research Council (MC_UU_12024/3)
  • Engineering and Physical Sciences Research Council (1280505)
  • Biotechnology and Biological Sciences Research Council (BB/K000454/1)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
memory consolidation, memory replay, sharp-wave ripples, place cells, spatial firing patterns, cholinergic modulation, synaptic plasticity, cell assemblies, sleep, novelty, reward, neuromodulation
MeSH terms
Memory Consolidation, Animals, Brain, Humans, Neuronal Plasticity

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