The Vagus Nerve's Role in Heart Rate Variability
Vagal activity and parasympathetic nervous system function produce respiratory sinus arrhythmia (RSA) and heart rate variability (HRV).
top of page
BCIA Continuing Education Posts
The BioSource Faculty Explain Peer-Reviewed Science
BioSource Faculty
Aug 723 min
A Comprehensive Guide to HRV Myths
This review addresses 14 misconceptions regarding cardiovascular health, HRV measurement, and HRV biofeedback training.
264 views0 comments
BioSource Faculty
Aug 712 min
A Comprehensive Breathing Myths Guide
Breathing ensures healthy CO2 levels. The main functions of breathing are gas exchange and acid-base (pH) regulation.
257 views1 comment
BioSource Faculty
Jun 154 min
Upgrade Your HRV Biofeedback System
If you don’t correct dysfunctional breathing patterns like overbreathing, they can compromise the effectiveness of HRVB training.
179 views0 comments
BioSource Faculty
May 267 min
Provide Slow-Paced Contraction Training Using the Optimal HRV Application
Slow-paced contraction (SPC) increases heart rate variability (HRV) as effectively as slow-paced breathing (SPB).
156 views0 comments
Fred Shaffer
Mar 241 min
Do longer exhalations increase HRV during slow-paced breathing?
Download our open-access Applied Psychophysiology and Biofeedback inhalation-to-exhalation ratio article.
150 views0 comments