Positive Health Online

Abstract

BROWN and GERBARG, Columbia College of Physicians and Surgeons, New York, NY, USA, have reviewed (92 references) yogic breathing in the treatment of stress, anxiety and depression. Abstract: Mind-body interventions are beneficial in stress-related mental and physical disorders. Current research is finding associations between emotional disorders and the activity of the Vagus nerve as indicated by heart rate variability. A neuro-physiological model of yogic breathing proposes to integrate research on yoga with polyvagal theory, vagal stimulation, hyperventilation, and clinical observations. Yogic breathing is a unique method for balancing the autonomic nervous system and influencing psychological and stress-related disorders. Many studies demonstrate effects of yogic breathing on brain function and physiological parameters, but the mechanisms have not been clarified. Sudarshan Kriya yoga (SKY), a sequence of specific breathing techniques (ujjayi, bhastrika, and Sudarshan Kriya) can alleviate anxiety, depression, everyday stress, post-traumatic stress, and stress-related medical illnesses. Mechanisms contributing to a state of calm alertness include increased parasympathetic drive, calming of stress response systems, neuroendocrine release of hormones, and thalamic generators. This model has heuristic value, research implications, and clinical applications.

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References

Brown RP, Gerbarg PL. Sudarshan Kriya yogic breathing in the treatment of stress, anxiety, and depression: part I-neurophysiologic model. Journal of Alternative & Complementary Medicine 11 (1): 189-201, Feb 2005.