Nice study looking at the cumulative effects of head massage over time with HRV. They do some data analysis that I didn’t quite follow, but show the the HF component increased over time, a measure of parasympathetic activity.
Nice study looking at the cumulative effects of head massage over time with HRV. They do some data analysis that I didn’t quite follow, but show the the HF component increased over time, a measure of parasympathetic activity.
