Summary
Meta-analysis of HRV biofeedback interventions found consistent improvements in both HRV metrics and depression symptoms, with effects comparable to other evidence-based psychological interventions.
Methods
Meta-analysis of 18 RCTs examining HRV biofeedback for mental health
Key Findings
- Medium effect size (d = 0.5-0.6) for depression symptom reduction
- HRV improvements correlated with mood improvements
- 6-10 sessions typically needed for meaningful benefit
- Effects maintained at follow-up in most studies
Limitations
Varied biofeedback protocols and control conditions
What This Means for You
HRV biofeedback isn't just for athletes—it's a validated intervention for anxiety and depression. Apps like Elite HRV and HeartMath offer accessible entry points, though working with a trained provider may optimize results.
Source
Read the original paper in Applied Psychophysiology and Biofeedback ↗
Added to HRV Zone: 2025-01-07