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Relationship between cardiac vagal activity and mood congruent memory bias in major depression

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dc.contributor.authorGarcía, Ronald G.spa
dc.contributor.authorValenza, Gaetanospa
dc.contributor.authorTomaz, Carlos A.spa
dc.contributor.authorBarbieri, Riccardospa
dc.date.accessioned2019-07-29T14:59:08Zspa
dc.date.available2019-07-29T14:59:08Zspa
dc.date.issued2016-01spa
dc.description7 p.spa
dc.description.abstractBackground Previous studies suggest that autonomic reactivity during encoding of emotional information could modulate the neural processes mediating mood-congruent memory. In this study, we use a point-process model to determine dynamic autonomic tone in response to negative emotions and its influence on long-term memory of major depressed subjects. Methods Forty-eight patients with major depression and 48 healthy controls were randomly assigned to either neutral or emotionally arousing audiovisual stimuli. An adaptive point-process algorithm was applied to compute instantaneous estimates of the spectral components of heart rate variability [Low frequency (LF), 0.04–0.15 Hz; High frequency (HF), 0.15–0.4 Hz]. Three days later subjects were submitted to a recall test. Results A significant increase in HF power was observed in depressed subjects in response to the emotionally arousing stimulus (p=0.03). The results of a multivariate analysis revealed that the HF power during the emotional segment of the stimulus was independently associated with the score of the recall test in depressed subjects, after adjusting for age, gender and educational level (Coef. 0.003, 95%CI, 0.0009–0.005, p=0.008). Limitations These results could only be interpreted as responses to elicitation of specific negative emotions, the relationship between HF changes and encoding/recall of positive stimuli should be further examined. Conclusions Alterations on parasympathetic response to emotion are involved in the mood-congruent cognitive bias observed in major depression. These findings are clinically relevant because it could constitute the mechanism by which depressed patients maintain maladaptive patterns of negative information processing that trigger and sustain depressed mood.eng
dc.format.mimetypeapplication/pdfspa
dc.identifier.doi10.1016/j.jad.2015.09.075spa
dc.identifier.issn0165-0327spa
dc.identifier.urihttps://repositorio.udes.edu.co/handle/001/3475spa
dc.language.isoengspa
dc.relation.ispartofJournal of Affective Disorderseng
dc.rightsDerechos Reservados - Universidad de Santander, 2016spa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.creativecommonsAtribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)spa
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/spa
dc.sourcehttps://www.sciencedirect.com/science/article/abs/pii/S0165032715305644?via%3Dihubeng
dc.subject.proposalMajor depressioneng
dc.subject.proposalEmotional memoryeng
dc.subject.proposalAutonomic nervous systemeng
dc.subject.proposalVagus nerveeng
dc.subject.proposalHeart rate variabilityeng
dc.subject.proposalPoint-processeng
dc.titleRelationship between cardiac vagal activity and mood congruent memory bias in major depressioneng
dc.typeArtículo de revistaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_6501spa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/articlespa
dc.type.redcolhttp://purl.org/redcol/resource_type/ARTspa
dc.type.versioninfo:eu-repo/semantics/publishedVersionspa
dspace.entity.typePublication
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85spa
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