| Moderate stress enhances memory persistence: Are adrenergic mechanisms involved? | |
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MedLine Citation:
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PMID: 23025835 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Memory persistence in the inhibitory avoidance (IA) task has been recently shown to require a new event of consolidation 12 hr after acquisition. The immobilization stress (IS) model is largely used to study the effects of stress on memory. In this study we investigated the interactions between stress by immobilization and its effect on the persistence of memory, and also a possible effect mediated by β-adrenergic modulation of stress on memory persistence. An enhancement of long-term memory (LTM) persistence caused by stress through immobilization applied 12 hr after IA training was observed when the animals were submitted to 15 min or 1 hr of IS, but not to 3 hr. The reversal of this memory enhancement caused by IS was observed when the β-adrenergic antagonist propranolol was infused intraperitoneally prior to stress, which implies that β-adrenergic receptors are involved in stress enhancement of LTM persistence. (PsycINFO Database Record (c) 2012 APA, all rights reserved). |
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Authors:
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Gustavo Morrone Parfitt; Andrea Kraemer Barbosa; Renan Costa Campos; André Peres Koth; Daniela Martí Barros |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Behavioral neuroscience Volume: 126 ISSN: 1939-0084 ISO Abbreviation: Behav. Neurosci. Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8302411 Medline TA: Behav Neurosci Country: United States |
Other Details:
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Languages: eng Pagination: 729-34 Citation Subset: IM |
Affiliation:
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Laboratorio de Neurociencias. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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