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Respiratory sinus arrhythmia in response to fear-relevant and fear-irrelevant stimuli
Lunds universitet.
Lunds universitet.
2008 (English)In: Scandinavian Journal of Psychology, ISSN 0036-5564, E-ISSN 1467-9450, Vol. 49, no 2, 123-131 p.Article in journal (Refereed) Published
Abstract [en]

Heart period variability and heart rate were studied in 15 women and 15 men while they were viewing negatively (snakes/spiders), neutrally (scenic views), and positively (cats and kittens/puppies and dogs) valenced films. Time-frequency analyses of the heart period variability power spectrum in the high frequency region (0.12-0.4 Hz), reflecting respiratory sinus arrhythmia (RSA), were carried out during 5 minutes in each condition. The main finding showed that RSA-magnitude (high frequency power) was inversely related to emotional valence: lowest magnitudes were found in response to positive films, and highest magnitude to negative films. The findings were interpreted as reflecting motor or behavioral inhibition, and increased attention to negatively valenced, stimuli.

Place, publisher, year, edition, pages
2008. Vol. 49, no 2, 123-131 p.
National Category
Psychology
Identifiers
URN: urn:nbn:se:hkr:diva-13071DOI: 10.1111/j.1467-9450.2008.00638.xISI: 000254127300003PubMedID: 18352981OAI: oai:DiVA.org:hkr-13071DiVA: diva2:754183
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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  • apa
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