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Analysis of Respiratory Sinus Arrhythmia and Directed Information Flow between Brain and Body Indicate Different Management Strategies of fMRI-Related Anxiety

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cris.lastimport.scopus2024-02-12T20:49:34Z
dc.abstract.enBackground: Respiratory sinus arrhythmia (RSA) denotes decrease of cardiac beat-to-beat intervals (RRI) during inspiration and RRI increase during expiration, but an inverse pattern (termed negative RSA) was also found in healthy humans with elevated anxiety. It was detected using wave-by-wave analysis of cardiorespiratory rhythms and was considered to reflect a strategy of anxiety management involving the activation of a neural pacemaker. Results were consistent with slow breathing, but contained uncertainty at normal breathing rates (0.2–0.4 Hz). Objectives and methods: We combined wave-by-wave analysis and directed information flow analysis to obtain information on anxiety management at higher breathing rates. We analyzed cardiorespiratory rhythms and blood oxygen level-dependent (BOLD) signals from the brainstem and cortex in 10 healthy fMRI participants with elevated anxiety. Results: Three subjects with slow respiratory, RRI, and neural BOLD oscillations showed 57 ± 26% negative RSA and significant anxiety reduction by 54 ± 9%. Six participants with breathing rate of ~0.3 Hz showed 41 ± 16% negative RSA and weaker anxiety reduction. They presented significant information flow from RRI to respiration and from the middle frontal cortex to the brainstem, which may result from respiration-entrained brain oscillations, indicating another anxiety management strategy. Conclusions: The two analytical approaches applied here indicate at least two different anxiety management strategies in healthy subjects.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorKamiński, Maciej
dc.contributor.authorPfurtscheller, Gert
dc.contributor.authorBlinowska, Katarzyna
dc.contributor.authorRassler, Beate
dc.date.accessioned2024-01-24T16:29:30Z
dc.date.available2024-01-24T16:29:30Z
dc.date.issued2023
dc.description.financePublikacja bezkosztowa
dc.description.number4
dc.description.volume11
dc.identifier.doi10.3390/BIOMEDICINES11041028
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/100624
dc.identifier.weblinkhttps://www.mdpi.com/2227-9059/11/4/1028/pdf
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofBiomedicines
dc.relation.pages1028
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enrespiratory sinus arrhythmia
dc.subject.encausal coupling
dc.subject.endirected information flow
dc.subject.enneural pacemaker-like activity
dc.subject.enfMRI-related anxiety
dc.subject.enanxiety management
dc.subject.enbreathing rhythm
dc.subject.enneural BOLD oscillations
dc.subject.encardio-respiratory coupling
dc.subject.enbreathing-entrained oscillations
dc.titleAnalysis of Respiratory Sinus Arrhythmia and Directed Information Flow between Brain and Body Indicate Different Management Strategies of fMRI-Related Anxiety
dc.typeJournalArticle
dspace.entity.typePublication