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SBTK Reference List 

Partial Journal References

January 2024 - May 2026

1. Humming & Nitric Oxide

  • Weitzberg, E., & Lundberg, J. O. N. (2002). Humming greatly increases nasal nitric oxide. American Journal of Respiratory and Critical Care Medicine, 166(2), 144–145. https://doi.org/10.1164/rccm.200202-138BC

  • Lundberg, J. O., & Weitzberg, E. (1999). Nasal nitric oxide in man. Thorax, 54(10), 947–952.
     

2. Heart Rate Variability, Breathing Rate & Biofeedback

  • Lehrer, P. M., & Gevirtz, R. (2014). Heart rate variability biofeedback: How and why does it work? Frontiers in Psychology, 5, 756. https://doi.org/10.3389/fpsyg.2014.00756

  • Shaffer, F., & Ginsberg, J. P. (2017). An overview of heart rate variability metrics and norms. Frontiers in Public Health, 5, 258. https://doi.org/10.3389/fpubh.2017.00258

  • Gerritsen, R. J. S., & Band, G. P. H. (2018). Breath of life: The respiratory vagal stimulation model of contemplative activity. Frontiers in Human Neuroscience, 12, 397.
     

3. Vagal Tone, Singing & Vocal/Laryngeal Mechanisms

  • Vickhoff, B., Malmgren, H., Åström, R., Nyberg, G., Ekström, S.-R., Engwall, M., Snygg, J., Nilsson, M., & Jörnsten, R. (2013). Music structure determines heart rate variability of singers. Frontiers in Psychology, 4, 334. https://doi.org/10.3389/fpsyg.2013.00334

  • Grape, C., Sandgren, M., Hansson, L.-O., Ericson, M., & Theorell, T. (2003). Does singing promote well-being? An empirical study of professional and amateur singers during a singing lesson. Integrative Physiological & Behavioral Science, 38(1), 65–74. https://doi.org/10.1007/BF02734261

  • Ludlow, C. L. (2005). Central nervous system control of the laryngeal muscles in humans. Respiratory Physiology & Neurobiology, 147(2–3), 205–222. https://doi.org/10.1016/j.resp.2005.04.015
     

4. Autonomic Nervous System Aging

  • Shaffer, F., & Ginsberg, J. P. (2017). [See Section 2 above — includes normative HRV data by age.]

  • Tegegne, B. S., Man, T., van Roon, A. M., Riese, H., & Snieder, H. (2018). Determinants of heart rate variability in the general population: The Lifelines Cohort Study. Heart Rhythm, 15(5), 743–750.

  • Abhishekh, H. A., Nisarga, P., Kisan, R., Meghana, A., Chandran, S., Raju, T. R., & Sathyaprabha, T. N. (2013). Influence of age and gender on autonomic regulation of heart. Journal of Clinical Monitoring and Computing, 27(3), 259–264.

  • Sammito, S., & Böckelmann, I. (2016). Factors influencing heart rate variability. International Cardiovascular Forum Journal, 6, 18–22.
     

5. Nasal Breathing, CO₂ / O₂ Physiology

  • Lundberg, J. O., & Weitzberg, E. (1999). Nasal nitric oxide in man. Thorax, 54(10), 947–952. [See also Section 1.]
     

6. Rhythm, Entrainment & Neuroplasticity

  • Thaut, M. H., McIntosh, G. C., & Hoemberg, V. (2015). Neurobiological foundations of neurologic music therapy: Rhythmic entrainment and the motor system. Frontiers in Psychology, 5, 1185.
     

7. Circadian Rhythms & ANS Patterns

  • Refinetti, R., & Menaker, M. (1992). The circadian rhythm of body temperature. Physiology & Behavior, 51(3), 613–637.

  • Van Someren, E. J. W. (2000). Circadian and sleep disturbances in the elderly. Experimental Gerontology, 35(9–10), 1229–1237.
     

8. Polyvagal Theory — Status & Scientific Caveats

9. Breath Ratios & Extended Exhalation

  • Jerath, R., Edry, J. W., Barnes, V. A., & Jerath, V. (2006). Physiology of long pranayamic breathing: Neural respiratory elements may provide a mechanism that explains how slow deep breathing shifts the autonomic nervous system. Medical Hypotheses, 67(3), 566–571.

  • Zaccaro, A., Piarulli, A., Laurino, M., Garbella, E., Menicucci, D., Neri, B., & Gemignani, A. (2018). How breath-control can change your life: A systematic review on psycho-physiological correlates of slow breathing. Frontiers in Human Neuroscience, 12, 353.

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