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The BclI polymorphism of the glucocorticoid receptor gene is associated with emotional memory performance in healthy individuals
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 1500850
Author(s) Ackermann, Sandra; Heck, Angela; Rasch, Björn; Papassotiropoulos, Andreas; de Quervain, Dominique J-F
Author(s) at UniBasel de Quervain, Dominique
Heck, Angela
Papassotiropoulos, Andreas
Year 2013
Title The BclI polymorphism of the glucocorticoid receptor gene is associated with emotional memory performance in healthy individuals
Journal Psychoneuroendocrinology
Volume 38
Number 7
Pages / Article-Number 1203-7
Keywords Glucocorticoid receptor gene polymorphism, BclI, Memory, Emotion
Abstract

Glucocorticoids, stress hormones released from the adrenal cortex, are important players in the regulation of emotional memory. Specifically, in animals and in humans, glucocorticoids enhance memory consolidation of emotionally arousing experiences, but impair memory retrieval. These glucocorticoid actions are partly mediated by glucocorticoid receptors in the hippocampus, amygdala and prefrontal cortex, key brain regions for emotional memory. In a recent study in patients who underwent cardiac surgery, the BclI polymorphism of the glucocorticoid receptor gene (NR3C1) was associated with traumatic memories and posttraumatic stress disorder symptoms after intensive care therapy. Based on this finding, we investigated if the BclI polymorphism is also associated with emotional memory in healthy young subjects (N=841). We used a picture-learning task consisting of learning and recalling neutral and emotional photographs on two consecutive days. The BclI variant was associated with short-delay recall of emotional pictures on both days, with GG carriers showing increased emotional memory performance as compared to GC and CC carriers. We did not detect a genotype-dependent difference in recall performance for neutral pictures. These findings suggest that the Bcll polymorphism contributes to inter-individual differences in emotional memory also in healthy humans.

Publisher Elsevier
ISSN/ISBN 0306-4530
edoc-URL http://edoc.unibas.ch/dok/A6083586
Full Text on edoc No
Digital Object Identifier DOI 10.1016/j.psyneuen.2012.10.009
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/23148886
ISI-Number WOS:000320412400025
Document type (ISI) Journal Article
 
   

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01/05/2024