The Effect of Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) on Cardiorespiratory Physiology: Four Waveforms Trial with Tragus vs Earlobe Stimulation
Devin Adair, Jacob Itzhakov, Henry Berstein, Mohamad Fallah Rad, Helen Borges, Marom Bikson
This study evaluates the acute effects of four taVNS configurations on cardiorespiratory physiology, finding that unilateral left 25 Hz tragus stimulation increases heart rate variability compared to earlobe control.
bioRxiv · Aug 4, 2026 · PreprintBioengineering