Comparative Study
doi: 10.1016/j.ijpsycho.2006.08.002.
Epub 2006 Sep 20.
Respiratory sinus arrhythmia as a function of state anxiety in healthy individuals
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- PMID: 16989914
- DOI: 10.1016/j.ijpsycho.2006.08.002
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Comparative Study
Respiratory sinus arrhythmia as a function of state anxiety in healthy individuals
Int J Psychophysiol.
2007 Jan.
Abstract
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.
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