The Modulation of Cardiacvagal Tone on Attentional Orienting of Fair-Related Faces: Low HRV Is Associated with Faster Attentional Engagement to Fair-Relevant Stimuli

The current experiment examined whether individual differences in cardiac vagal tone indexed by heart rate variability (HRV) modulated the effect of fair-related stimuli on attentional orienting. Lower resting HRV—indexing reduced cardiac vagal tone—was associated with faster attentional engagement to fair, but not unfair, face cues.