Cited by 665Memory and Neural MechanismsStress Responses and CortisolMemory Processes and Influences

Glucocorticoids and the regulation of memory consolidation

Roozendaal, Benno·2000·Psychoneuroendocrinology

Abstract

This paper summarizes recent findings on the amygdala's role in mediating acute effects of glucocorticoids on memory consolidation in rats. Posttraining activation of glucocorticoid-sensitive pathways involving glucocorticoid receptors (GRs or type II) enhances memory consolidation in a dose-dependent inverted-U fashion. Selective lesions of the basolateral nucleus of the amygdala (BLA) or infusions of beta-adrenoceptor antagonists into the BLA block the memory-modulatory effects of systemic injections of glucocorticoids. Additionally, posttraining infusions of a specific GR agonist administered directly into the BLA enhance memory consolidation, whereas those of a GR antagonist impair. These findings indicate that glucocorticoid effects on memory consolidation are mediated, in part, by an activation of GRs in the BLA and that the effects require beta-adrenergic activity in the BLA. Other findings indicate that the BLA interacts with the hippocampus in mediating glucocorticoid-induced modulatory influences on memory consolidation. Lesions of the BLA or inactivation of beta-adrenoceptors within the BLA also block the memory-modulatory effects of intrahippocampal administration of a GR agonist or antagonist. These findings are in agreement with the general hypothesis that the BLA integrates hormonal and neuromodulatory influences on memory consolidation. However, the BLA is not a permanent locus of storage for this information, but modulates consolidation processes for explicit/associative memories in other brain regions, including the hippocampus.

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Crossref · 10.1016/s0306-4530(99)00058-x

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154 of 154 references verified0 citation errors · 0 not checkable

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  • A highly responsive stress response system facilitates social learning, enhances mental activities in localized domains, focuses attention, and primes memory storage, improving cognitive processes for dealing with environmental opportunities and threats.

    “a highly responsive system facilitates social learning, enhances mental activities in localized domains, focuses attention, and primes memory storage, thus improving cognitive processes for dealing with environmental opportunities and threats (Barsegyan et al., 2010; Flinn, 2006; Roozendaal, 2000; van Marle et al., 2009)”

    From The Adaptive Calibration Model of stress responsivity (2011) · cites this paper as Roozendaal, 2000

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Authors
Roozendaal, B.
Affiliations
University of California, Irvine (US)
Corresponding author
Roozendaal, Benno
Venue
Psychoneuroendocrinology
Publisher
Elsevier BV
Published
2000-04
Volume
25
Issue
3
Pages
213-238
ISSN
0306-4530 (ISSN-L)
OpenAlex
W2076241195
Cited by
665
References
154
Citations by year
2026: 1 · 2025: 5 · 2024: 9 · 2023: 7 · 2022: 9 · 2021: 15 · 2020: 30 · 2019: 13 · 2018: 21 · 2017: 22 · 2016: 25 · 2015: 28 · 2014: 39 · 2013: 26 · 2012: 27
FWCI
2.93
Type
journal article
Language
en
Open access
closed
Locations
  • Psychoneuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (MH12526)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
glucocorticoids, memory consolidation, amygdala, basolateral amygdala, glucocorticoid receptor, beta-adrenergic receptors, hippocampus, stress hormones, memory modulation
MeSH terms
Amygdala, Animals, Awards and Prizes, Dose-Response Relationship, Drug, Glucocorticoids, Hippocampus, Memory, Neural Pathways, Synaptic Transmission, Neurobiology, Norepinephrine, Reaction Time, Receptors, Glucocorticoid, Stress, Physiological, History, 20th Century, Rats

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