Cited by 327Memory and Neural MechanismsStress Responses and CortisolNeuroscience and Neuropharmacology Research

The Basolateral Amygdala Interacts with the Medial Prefrontal Cortex in Regulating Glucocorticoid Effects on Working Memory Impairment

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Roozendaal, Benno, McReynolds, Jayme R., McGaugh, James L.·2004·The Journal of Neuroscience

Abstract

Previous findings indicate that the basolateral complex of the amygdala (BLA) interacts with other brain regions in regulating stress hormone effects on memory functions. Lesions of the BLA or infusions of a β-adrenoceptor antagonist into the BLA block glucocorticoid effects on both memory consolidation and retrieval when administered either systemically or directly into the hippocampus. The present experiments examined BLA and β-adrenoceptor involvement in regulating glucocorticoid effects on spatial working memory, a task that depends on the medial prefrontal cortex (mPFC). Male Sprague Dawley rats with bilateral sham- or NMDA-induced lesions of the BLA received either corticosterone (1.0 or 3.0 mg/kg, i.p.) systemically or the specific glucocorticoid receptor agonist 11β,17β-dihydroxy-6,21-dimethyl-17α-pregna-4,6-trien-20yn-3-one (RU 28362; 3.0 or 10.0 ng in 0.5 μl) into the mPFC shortly before testing on a delayed alternation task in a T-maze. Both glucocorticoid treatments induced comparable impairments in working memory performance in sham-lesioned controls. Although lesions of the BLA alone did not affect working memory, BLA lesions blocked the impairment induced by either corticosterone or RU 28362. Likewise, systemic injections of the centrally acting β-adrenoceptor antagonist propranolol (2.0 mg/kg, i.p.) given before testing prevented corticosterone-induced working memory impairment. These findings indicate that BLA activity is essential for enabling glucocorticoid effects in the mPFC on working memory and suggest that stress hormone-induced modulation of working memory involves noradrenergic activation.

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Crossref · 10.1523/jneurosci.4664-03.2004

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Research works printed but not linked: 2

  1. Mazure CM (1995) Does stress cause psychiatric illness? In: Progress in psy- chiatry (Spiegel D, ed), p 270. Washington, DC: American Psychiatric Press.
  2. Roozendaal B, de Quervain DJ-F, Schelling G, McGaugh JL (2004) A sys- temically administered ␤-adrenoceptor antagonist blocks corticosterone- induced impairment of contextual memory retrieval in rats. Neurobiol Learn Mem, in press.

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Authors
Roozendaal, B., McReynolds, J. R., & McGaugh, J. L.
Affiliations
University of California, Irvine (US)
Venue
The Journal of Neuroscience
Published
2004-02-11
Volume
24
Issue
6
Pages
1385-1392
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2098925242
Cited by
327
References
8
Citations by year
2026: 2 · 2025: 2 · 2024: 11 · 2023: 3 · 2022: 6 · 2021: 4 · 2020: 51 · 2019: 13 · 2018: 13 · 2017: 9 · 2016: 22 · 2015: 15 · 2014: 13 · 2013: 11 · 2012: 14
FWCI
11.08
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Public Health Service
  • National Institute of Mental Health (R01MH012526, MH12526, R56MH012526)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
basolateral amygdala, medial prefrontal cortex, glucocorticoids, corticosterone, working memory, stress hormones, beta-adrenoceptor antagonism, propranolol, noradrenergic activation, RU 28362, NMDA lesions, delayed alternation task
MeSH terms
Adrenergic beta-Agonists, Adrenergic beta-Antagonists, Amygdala, Analysis of Variance, Androstanols, Animals, Corticosterone, Glucocorticoids, Male, Memory Disorders, Memory, Short-Term, Neural Pathways, Propranolol, Rats, Sprague-Dawley, Prefrontal Cortex, Maze Learning, Rats

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