How to measure vagal tone index?

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Valeria Tananska

Hi,

Some useful answers:

www.ncbi.nlm.nih.gov/pmc/articles/PMC5316555/pdf/fpsyg-08-00213.pdf

Ganne Chaitanya

I am not sure if there is a separate index that quantifies it. I have personally worked on HRV and I know that we calculate indices for parasympathetic tone and use them to interpret the vagal tone. However, to improve the credibility of your results, more recently adaptive point-process models are becoming more popular to establish the temporal trends in vagal tone. Hope this helps.