Tracking Wisdom Episode 48 The Heart–Brain Connection: Exploring Rollin McCraty and HeartMath Recorded - 09/28/26 DESCRIPTION What can the rhythm of your heartbeat tell us about stress, emotional balance, and our ability to regulate ourselves? And can learning to influence that rhythm help us cultivate greater resilience and well-being? In this episode of Tracking Wisdom, Ryan and Peter explore the work of Dr. Rollin McCraty, director of research at the HeartMath Institute, and his research into heart rate variability (HRV), heart–brain communication, and physiological coherence. We begin with the science of heart rate variability—the subtle changes in timing between heartbeats—and its relationship to the autonomic nervous system. From there, we examine HeartMath's concept of coherence, a more organized pattern of heart rhythm associated with emotional regulation and physiological balance. Along the way, we challenge some familiar assumptions about stress and relaxation. Is the goal simply to reduce stress, or to develop a healthier balance between activation and recovery? How do emotions influence our physiology, and can changes in our physiological state influence how we experience emotions? The conversation also explores HeartMath's use of biofeedback technology to make physiological patterns visible during self-regulation exercises. We consider how this differs from traditional meditation, the value of feedback from teachers and communities, and whether technology can help people develop more consistent practices. In this episode, we explore: What heart rate variability measures and why it mattersThe relationship between the heart, brain, and autonomic nervous systemSympathetic and parasympathetic activity, stress, and recoveryWhat HeartMath means by physiological coherenceThe connections between emotions, heart rhythms, and self-regulationBreathing techniques, HRV biofeedback, and the value of measurable feedbackTechnology-assisted training versus traditional contemplative practicesWhy consistency and small, sustainable steps matterWhere HeartMath's research moves toward more speculative claims about interpersonal and global coherence We close by considering the practical value of cultivating emotional balance, even while leaving room to question the broader interpretations of the research. In a forthcoming companion episode, we'll turn a more critical eye toward some of HeartMath's far-reaching claims and the evidence supporting them. Episode Resources From Dysregulation to Coherence: Exploring the HeartMath® Approach to Emotional and Physiological Regulation - Heartrate Variability Biofeedback for Migraine Using a Smartphone Application and Sensor: A Randomized Controlled Trial - Following the Rhythm of the Heart: HeartMath Institute’s Path to HRV Biofeedback - Global Coherence InitiativeHeart Rhythm Coherence FeedbackHeartMath Institute - A healthy heart is not a metronome: an integrative review of the heart's anatomy and heart rate variability - PMCHeart Rate Variability: New Perspectives on Physiological Mechanisms, Assessment of Self-regulatory Capacity, and Health risk - PubMedThe Effect of Heart Rate Variability Biofeedback Training on Mental Health of Pregnant and Non-Pregnant Women: A Randomized Controlled Trial - PMCDr. Rollin McCraty - Heart-Brain Coherence - Quantum UniversityThe Science of Coherence - HeartMath InstituteHeartMath Free Course Want to be a guest on Tracking Wisdom? 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They do not represent advice, counseling, or official positions of any institution, employer, or religious tradition. All content is provided for informational and entertainment purposes only. Please use your own discernment and, if needed, consult a qualified professional regarding any personal, spiritual, or mental health questions. Copyright 2026 Ears That Hear Media Corporation Keywords: heart rate variability, HRV coherence, HeartMath techniques, Rollin McCraty HeartMath, heart-brain communication, heart coherence training, HRV biofeedback devices, 0.1 Hz breathing, breathwork for coherence, sympathetic parasympathetic balance, emotional regulation practices, reduce hypertension HRV, mindfulness and HRV, global coherence initiative, Schumann resonance heart coherence, heart magnetic field influence, meditation cognitive performance, exercise recovery HRV, cultivate appreciation and compassion, Tracking Wisdom podcast HeartMath
