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Respiratory sinus arrhythmia as a function of state anxiety in healthy individuals
Lunds universitet.
2007 (English)In: International Journal of Psychophysiology, ISSN 0167-8760, E-ISSN 1872-7697, Vol. 63, no 1, 48-54 p.Article in journal (Refereed) Published
Abstract [en]

Respiratory sinus arrhythmia (RSA) was examined in relation to state and trait anxiety in healthy individuals. Time-frequency analyses of HR-power spectrum in the high frequency region (0.12-0.40 Hz), related to RSA, were examined in 43 women and 39 men. Based on median split, the participants were divided into high and low state and trait anxiety groups. The main result showed that high state anxious individuals had higher RSA-magnitude (HF-power) than low state anxious individuals. The higher RSA-magnitude in the former group was interpreted as reflecting increased attention or vigilance together with motor and behavioural inhibition. No significant effects of trait anxiety or gender were found.

Place, publisher, year, edition, pages
2007. Vol. 63, no 1, 48-54 p.
National Category
Neurosciences
Identifiers
URN: urn:nbn:se:hkr:diva-13069DOI: 10.1016/j.ijpsycho.2006.08.002ISI: 000243771100006PubMedID: 16989914OAI: oai:DiVA.org:hkr-13069DiVA: diva2:754177
Available from: 2014-10-09 Created: 2014-10-09 Last updated: 2014-10-09Bibliographically approved

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CiteExportLink to record
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