Cited by 455Memory and Neural MechanismsMemory Processes and InfluencesSleep and Wakefulness Research

Temporally graded requirement for protein synthesis following memory reactivation

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Milekic, Maria H, Alberini, Cristina M·2002·Neuron

Abstract

Learning of new information is transformed into long-lasting memory through a process known as consolidation, which requires protein synthesis. Classical theory held that once consolidated, memory was insensitive to disruption. However, old memories that are insensitive to protein synthesis inhibitors can become vulnerable if they are recalled (reactivated). These findings led to a new hypothesis that when an old memory is reactivated, it again becomes labile and, similar to a newly formed memory, requires a process of reconsolidation in order to be maintained. Here, we show that the requirement for protein synthesis of a reactivated memory is evident only when the memory is recent. In fact, memory vulnerability decreases as the time between the original training and the recall increases.

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Crossref · 10.1016/s0896-6273(02)00976-5

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Authors
Milekic, M. H., & Alberini, C. M.
Affiliations
Icahn School of Medicine at Mount Sinai (US)
Corresponding author
Alberini, Cristina M
Venue
Neuron
Publisher
Elsevier BV
Published
2002-10
Volume
36
Issue
3
Pages
521-525
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2061233919
Cited by
455
References
2
Citations by year
2026: 7 · 2025: 5 · 2024: 10 · 2023: 10 · 2022: 21 · 2021: 16 · 2020: 21 · 2019: 12 · 2018: 18 · 2017: 20 · 2016: 24 · 2015: 18 · 2014: 30 · 2013: 31 · 2012: 24
FWCI
8.51
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (MH 65635)
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 reactivation, protein synthesis, memory consolidation, memory vulnerability, memory retrieval, protein synthesis inhibitors
MeSH terms
Amygdala, Animals, Anisomycin, Brain, Hippocampus, Learning, Male, Memory, Memory Disorders, Nerve Tissue Proteins, Neural Pathways, Synaptic Transmission, Protein Synthesis Inhibitors, Reaction Time, Synapses, Time Factors, Rats, Long-Evans, Rats

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