Chaotic heartbeat patterns track brain activity more clearly than conventional signals, researchers report

MedicalXpress | 四月 21, 2026

A team of researchers at Kyoto University have demonstrated that the chaotic component of heartbeat variability is uniquely sensitive to cognitive brain activity. Conventional heart rate variability, HRV, indices show no consistent response, whereas chaos-based measures reveal clear and reproducible changes, providing a new noninvasive indicator of brain-heart interaction.