Cited by 261Memory and Neural MechanismsMemory Processes and InfluencesSleep and Wakefulness Research

Memory Retrieval and the Passage of Time: From Reconsolidation and Strengthening to Extinction

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Inda, Maria Carmen, Muravieva, Elizaveta V., Alberini, Cristina M.·2011·The Journal of Neuroscience

Abstract

An established memory can be made transiently labile if retrieved or reactivated. Over time, it becomes again resistant to disruption and this process that renders the memory stable is termed reconsolidation. The reasons why a memory becomes labile after retrieval and reconsolidates still remains debated. Here, using inhibitory avoidance learning in rats, we provide evidence that retrievals of a young memory, which are accompanied by its reconsolidation, result in memory strengthening and contribute to its overall consolidation. This function associated to reconsolidation is temporally limited. With the passage of time, the stored memory undergoes important changes, as revealed by the behavioral outcomes of its retrieval. Over time, without explicit retrievals, memory first strengthens and becomes refractory to both retrieval-dependent interference and strengthening. At later times, the same retrievals that lead to reconsolidation of a young memory extinguish an older memory. We conclude that the storage of information is very dynamic and that its temporal evolution regulates behavioral outcomes. These results are important for potential clinical applications.

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Crossref · 10.1523/jneurosci.4736-10.2011

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Authors
Inda, M. C., Muravieva, E. V., & Alberini, C. M.
Affiliations
Icahn School of Medicine at Mount Sinai (US)
Corresponding author
Alberini, Cristina M.
Venue
The Journal of Neuroscience
Published
2011-02-02
Volume
31
Issue
5
Pages
1635-1643
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2013517273
Cited by
261
References
57
Citations by year
2026: 7 · 2025: 9 · 2024: 17 · 2023: 6 · 2022: 10 · 2021: 8 · 2020: 14 · 2019: 9 · 2018: 18 · 2017: 19 · 2016: 26 · 2015: 27 · 2014: 28 · 2013: 29 · 2012: 24
FWCI
14.61
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (R01MH074736)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
Keywords
memory reconsolidation, memory retrieval, memory enhancement, memory extinction, passive avoidance, memory consolidation, temporal dynamics of memory
MeSH terms
Animals, Avoidance Learning, Cycloheximide, Extinction, Psychological, Inhibition, Psychological, Injections, Intraperitoneal, Male, Memory, Neuropsychological Tests, Protein Synthesis Inhibitors, Mental Recall, Retention, Psychology, Time Factors, Protein Biosynthesis, Rats, Long-Evans, Rats

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