Journal
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
Volume 132, Issue -, Pages 725-729Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2021.11.018
Keywords
Resilience; Vagus nerve; Heart rate variability; Resonance breathing; Non-invasive brain modulation
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Chronic stress is a major health concern in the 21st century, and the study of mind-body interactions is gaining increasing attention. The vagus nerve serves as an exemplary model, enabling adaptive stress responses through bidirectional communication between the heart and brain. Resonance breathing and neuromodulation are evidence-based approaches to increase vagal nerve inhibitory control and enhance stress resilience.
Chronic stress has dramatically increased over the last years and is one of the major health concerns of the 21st century. Targeted interventions are traditionally based on inducing cognitive changes and enhancing control with the aim to promote adaptive emotion regulation, ultimately enhancing stress resilience. Crucially, bodily functions have received little attention in this quest, despite increasing evidence on the impact of mind-body interactions on resilience. An exemplary model is constituted by accumulating empirical support on the vagus nerve, which enables two-way communication between heart and brain, allowing to engage in an adaptive stress response in a context-appropriate manner. Yet, research on such bidirectional communication is mainly correlational. We propose to consider resonance breathing (bottom-up approach, heart > brain), and neuromodulation (top-down approach, brain > heart) as evidence-based ways to increase vagal nerve inhibitory control and hence increase stress resilience. These promising, likely cost-effective and easily employable techniques can be used alone or in combination, harnessing neurobiological scientific advances to select treatment options with the greatest likelihood of success.
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