Key result
Five weeks of daily HRV-biofeedback training restored healthy neurovisceral complexity and stress defense, reflected by heightened vagal tone and increased HRV signal entropy.
Why the study?
Chronic stress alters neurovisceral network interactions, and the study evaluated whether an entropy-based approach to beat-to-beat biosignals illustrates how heart rate variability biofeedback training restores neurovisceral complexity.
Does five-weeks of daily HRV-biofeedback training improve neurovisceral complexity and stress defense in moderately-stressed participants?
Design
Before-and-after study
Authors
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HRV-biofeedback may enhance neurovisceral complexity under stress; leaves open whether benefits extend to clinical outcomes.
Does five-weeks of daily HRV-biofeedback training improve neurovisceral complexity and stress defense in moderately-stressed participants?
Five weeks of daily HRV-biofeedback training improves vagal tone and neurovisceral complexity in moderately-stressed individuals.
Deschodt‐Arsac et al. (2020) studied Moderate stress (n=13). HRV-biofeedback (HRVB) training vs. Baseline (before training) was evaluated on Vagal tone markers, psychological indexes, and Refined Composite Multiscale Entropy (RCMSE). Five weeks of daily HRV-biofeedback training restored healthy neurovisceral complexity and stress defense, reflected by heightened vagal tone and increased HRV signal entropy.
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