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dc.contributor.authorFiskum, Charlotte
dc.contributor.authorAndersen, Tonje Grønning
dc.contributor.authorFlaten, Magne Arve
dc.contributor.authorAslaksen, Per M
dc.contributor.authorBornas, Xavier
dc.contributor.authorJacobsen, Karl Henry
dc.date.accessioned2020-03-13T08:58:26Z
dc.date.available2020-03-13T08:58:26Z
dc.date.created2019-09-03T14:26:52Z
dc.date.issued2019
dc.identifier.citationApplied Psychophysiology and Biofeedback. 2019, 44 (4), 309-319.nb_NO
dc.identifier.issn1090-0586
dc.identifier.urihttp://hdl.handle.net/11250/2646660
dc.description.abstractAtypical vagal reactivity has been linked to internalizing psychopathology and less adaptive emotion regulation, but reactive cardiac entropy is largely unexplored. Therefore, this study investigated reactive vagally-mediated heart-rate variability (vmHRV) and cardiac entropy in relation to emotion regulation. Electrocardiograms of 32 children (9–13 years) with internalizing difficulties and 25 healthy controls were recorded during a baseline and a sad film. Reactivity-measures were calculated from the root mean square of successive differences (RMSSD) and sample entropy (SampEn). Emotion regulation was assessed using the emotion regulation checklist (ERC). Determinants of reactive SampEn and RMSSD were analyzed with marginal and generalized linear models. The study also modeled the relationship between cardiac reactivity and emotion regulation while controlling for psychopathology. The two groups differed significantly in vmHRV-reactivity, with seemingly higher vagal-withdrawal in the control group. SampEn increased significantly during the film, but less in subjects with higher psychopathology. Higher reactive entropy was a significant predictor of better emotion regulation as measured by the ERC. Internalizing subjects and controls showed significantly different vmHRV-reactivity. Higher reactive cardiac entropy was associated with lower internalizing psychopathology and better emotion regulation and may reflect on organizational features of the neurovisceral system relevant for adaptive emotion regulation.nb_NO
dc.language.isoengnb_NO
dc.publisherSpringernb_NO
dc.titleReactive Heart Rate Variability and Cardiac Entropy in Children with Internalizing Disorder and Healthy Controlsnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionacceptedVersionnb_NO
dc.source.pagenumber309-319nb_NO
dc.source.volume44nb_NO
dc.source.journalApplied Psychophysiology and Biofeedbacknb_NO
dc.source.issue4nb_NO
dc.identifier.doi10.1007/s10484-019-09444-0
dc.identifier.cristin1721069
dc.description.localcodeThis is a post-peer-review, pre-copyedit version of an article published in [Applied Psychophysiology and Biofeedback] Locked until 12.7.2020 due to copyright restrictions. The final authenticated version is available online at: https://doi.org/10.1007/s10484-019-09444-0nb_NO
cristin.unitcode1920,18,0,0
cristin.unitcode194,67,40,0
cristin.unitnamePH - Barne- og ungdomspsykiatrisk klinikk
cristin.unitnameInstitutt for psykologi
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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