Preventive Effect of β-Adrenoceptor Blockade on Glucocorticoid-Induced Memory Retrieval Deficits
Elevated glucocorticoid levels impair retrieval of emotional information, and animal studies indicate that this effect depends on concurrent emotional arousal-induced increases in noradrenergic transmission within the brain. The authors investigated whether the beta-adrenoceptor antagonist propranol...
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Published in | The American journal of psychiatry Vol. 164; no. 6; pp. 967 - 969 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Washington, DC
American Psychiatric Association
01.06.2007
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Subjects | |
Online Access | Get full text |
ISSN | 0002-953X 1535-7228 |
DOI | 10.1176/ajp.2007.164.6.967 |
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Summary: | Elevated glucocorticoid levels impair retrieval of emotional information, and animal studies indicate that this effect depends on concurrent emotional arousal-induced increases in noradrenergic transmission within the brain. The authors investigated whether the beta-adrenoceptor antagonist propranolol blocks glucocorticoid-induced memory retrieval impairments in human subjects.
In a double-blind, placebo-controlled study, 42 healthy volunteers were presented a set of words with variable emotionality and asked to learn them for recall. A day later, cortisone (25 mg), propranolol (40 mg), or both drugs were administered orally 1 hour before a free-recall test.
Cortisone selectively impaired the recall of emotionally arousing words by 42%. This impairment was blocked by the concurrent administration of propranolol. Propranolol alone did not affect recall of either emotional or neutral words.
A pharmacological blockade of beta-adrenoceptors prevents glucocorticoid-induced memory retrieval deficits in human subjects. This finding may have important implications for the treatment of memory deficits in hypercortisolemic states, such as stress and depression. |
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Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0002-953X 1535-7228 |
DOI: | 10.1176/ajp.2007.164.6.967 |