A Preliminary Synthesis in Polyvagal Acupuncture® and Polyvagal Massage™
Dr. Jennifer Moffitt, DTCM, DNCCAOM, L.Ac. Certified Primitive Reflex Clinical Specialist (CPRCS)
This document is a preliminary clinical synthesis. It draws on established neuroscience, clinical observation, and integrative reasoning across multiple disciplines. The mechanistic reasoning is grounded in established neuroanatomy, autonomic physiology, mitochondrial bioenergetics, and developmental neuropsychology. The clinical frameworks, techniques, and synthesis presented in this series were developed over 25 years of clinical practice, years of post-graduate education and personal recovery. Practitioners are encouraged to evaluate it against their own clinical experience The opinions expressed here are mine. ©Polyvagal Acupuncture® and Dr.Jennifer Moffitt. This work is registered with the Library of Congress.
Spoke 3: The Cardiovascular Spoke – HRV Collapse and the Disconnected Heart
If the musculoskeletal spoke describes how autonomic defense becomes embedded in tissue, the cardiovascular spoke reveals its physiological consequences. The heart reflects the autonomic state long before structural cardiac disease develops. (McCraty et al., 2009).
The cardiovascular presentation across chronic dysautonomia begins in the cervical autonomic territory, where the vagus, phrenic nerve, cervical sympathetic ganglia, stellate ganglion, and upper thoracic chain all sit. (Barral & Croibier, 2009). Persistent brainstem output keeps the surrounding tissue chronically braced. (Pryor, 2019) The resulting tension alters both the autonomic signaling running through the region and the mechanical function of the structures passing through it. (Schleip, 2003). The cardiovascular findings are visible. The autonomic structures driving them are not.
The intercostals are compressed and phrenic patency is compromised, reducing the full neurological drive to the diaphragm. The vagus traverses the same territory. The three cervical sympathetic ganglia, superior, middle, and inferior, provide the autonomic innervation that regulates heart rate, cardiac conduction, and vascular tone. (Barral & Croibier, 2009). The stellate ganglion at the cervicothoracic junction is the primary driver of the sympathetic surge associated with active defense.These structures sit within chronically hypertonic tissue that impairs their signaling. (Stecco, 2015).
When phrenic patency is compromised, respiratory excursion becomes shallow and poorly coordinated. The clinical consequence is not only reduced oxygenation but disrupted intrathoracic pressure cycling, the mechanical pump that drives venous return and supports cardiac filling. (Barral & Croibier, 2009; Pryor, 2019). Sleep apnea in this population is not a structural airway problem first. It is a phrenic and autonomic problem whose structural expression follows from the freeze architecture above it. (Pryor, 2019). The measurable cardiovascular consequences of this picture include HRV collapse, the loss of beat-to-beat variability that reflects intact vagal cardiac modulation, and PVCs, premature ventricular contractions that reflect irritable cardiac conduction in the context of dysregulated autonomic input. (McCraty et al., 2009) These findings are familiar to cardiologists but the upstream cause is not on the cardiology differential.
The trigeminal cardiac reflex adds another layer. The trigeminal nerve carries afferent input from the face and cranial territory directly to the brainstem nuclei that regulate cardiac output. In patients with this pattern, unintegrated startle remains embedded in the craniofacial and upper cervical territories, and trigeminal afferent input becomes chronically dysregulated. (Masgutova & Akhmatova, 2011) The cardiac consequences are real, measurable, and largely invisible to a diagnostic framework that does not look above the clavicle.
At the severe end of this spectrum sits Brady-POTS, a presentation that remains widely underrecognized even among clinicians familiar with dysautonomia. While POTS is typically understood as a hyperadrenergic picture, Brady-POTS presents with bradycardia and syncope, a pattern that reads to most clinicians as vagal syncope, cardiac conduction disease, or in the TCM clinic, yang collapse. In severe cases it is none of those things cleanly. The freeze architecture is simultaneously producing gastrointestinal dysmotility, chronic spasticity, anxiety, insomnia, and bradycardic collapse. It is not a deficiency pattern but a disconnection pattern. The autonomic architecture has lost coherent communication between its major branches, and the contradictory clinical presentation reflects that loss. (McEwen, 2007) In TCM, this is often misattributed to heat presentations.
This pattern appears with particular frequency in long COVID, where acute viral illness imposes severe autonomic disruption on nervous systems that are often already carrying chronic freeze architecture. The Brady-POTS presentation is often missed because clinicians look for the hyperadrenergic POTS picture, and the bradycardic variant does not fit the expected profile. It is most consistently recognized at the severe end of neurodegenerative disease, in late stage MS and Parkinson’s, where the autonomic disconnect has progressed too far to regulate the heart and breath. (Moffitt, 2025).
Clinical Pearl: For ancillary providers, especially TCM practitioners, pulse taken as a single diagnostic snapshot is not a reliable guide in this population. In chronic dysautonomia, one moment of cardiac activity can be misleading. A freeze pattern often shows heat signs in the pulse because the heart strains to compensate for output that has collapsed elsewhere. A patient in sympathetic dominance can move toward adrenal collapse in a trauma setting. (McEwen, 2007). Pulse taken once describes what the heart does right now, not what pattern drives it. Pulse taken during session, while the sinew channels are being worked, is different. As the tissue changes, the pulse often changes with it. These changes are better understood as indicators of the nervous system’s momentary state than as fixed diagnostic markers. (Moffitt, 2025).
Spoke 4: The Enteric Spoke – Vagal Digestive Drive, Dysbiosis, and Gut-Brain Axis Disruption
The vagus nerve does not end at the heart. Its influence continues throughout the gastrointestinal tract, where chronic autonomic dysregulation reshapes digestion, immune function, and microbial ecology. (McEwen, 2007; Davis, 2022)
The enteric nervous system is not a secondary digestive controller. It is 400 to 600 million neurons organized into two continuous plexus networks running the entire digestive tract. It develops in the perinatal window alongside the autonomic nervous system, the vestibular system, the limbic system, and the immune system. (Schore, 2012). That shared developmental window matters clinically. It helps explain why developmental trauma rarely produces dysfunction in a single system. When chronic threat disrupts development, the freeze architecture does not land in one system. It is written into all of them at once. (Heim et al., 2008).
The ENS requires parasympathetic input from the vagus nerve to function. (Porges, 2011). Rest and digest is not a metaphor. It is the literal operating condition the ENS requires to do its job. When the autonomic state shifts into sustained sympathetic dominance or dorsal vagal shutdown, vagal motor output to the gut drops. (Porges, 2011). The celiac and mesenteric plexuses that govern transformation and transportation in the middle jiao go offline. Motility stalls, digestive enzyme output drops, and bile flow through Oddi’s sphincter slows. The entire middle jiao shifts from active processing to a holding pattern. (Pryor, 2019).
In fight or flight, blood and vital fluids route away from the gut toward the skeletal musculature. (McEwen, 2007). The gut is not a priority when running or fighting. Cortisol further suppresses smooth muscle contraction, reduces oxygen delivery to the gut wall, alters insulin and bile responses, and begins changing the microbiome composition within days of sustained elevation. (Chapman et al., 2013). In chronic dysautonomia this is not a short-term adaptation. It is the default operating condition. (Pryor, 2019).
The downstream consequences are predictable and consistent across all four patterns. Gut motility compromise produces gastroparesis, constipation, and bloating that fill these patients’ charts. (Davis, 2022). The microbiome collapse that follows sustained cortisol exposure produces dysbiosis: reduced microbial diversity, overgrowth of opportunistic organisms, SIBO, and candida. A dysbiotic gut produces less butyrate and fewer short-chain fatty acids. As a result, the enterochromaffin cells that line the gut wall receive less stimulus to produce serotonin. More than 90 percent of the body’s serotonin is produced in the gut. A patient with this presentation is running a chronic serotonin deficit not because of a brain chemistry problem but because the gut that makes it operates in a chronic threat state. (Davis, 2022).
The tight junctions of the gut epithelium require adequate energy and normal immune surveillance to maintain, and they begin to fail under sustained cortisol load. (Chapman et al., 2013; Davis, 2022). Partially digested food proteins and bacterial endotoxins enter the bloodstream through the compromised barrier. The gut associated lymphoid tissue, normally in a state of oral tolerance, encounters antigens it was never trained to recognize. The autoimmune cascade that follows (Hashimoto’s, lupus, RA, IBD cluster) originates there. (Davis, 2022). The immune spoke and the enteric spoke share the same upstream mechanism. Again, DTD represents the most severe and longest standing form of this pattern, since the gut, the immune system, and the nervous system regulating both were shaped by the same chronic threat state during the same developmental window. (Heim et al., 2008; van der Kolk, 2005).
Classical Spleen and Stomach in TCM
The same physiology is described in classical Chinese medicine using different terminology. The Spleen and Stomach, in classical TCM, are described as the root of postnatal Qi, responsible for the transformation and transportation of food. This is a functional description of the ENS. Transformation occurs at the cellular level through insulin mediated uptake and utilization of nutrients. Transportation depends on the smooth muscle activity that moves food, fluids, and digestive products through the gastrointestinal tract. (Soulié de Morant, 1994) Cortisol and chronic sympathetic dominance directly inhibit insulin signaling in peripheral tissue, so these patients become functionally insulin resistant independent of diet or metabolic disease, while gut motility declines as vagal drive falls.
The classical description is not wrong. It simply stops short of explaining why Spleen and Stomach function fails under chronic dysautonomia, and what restoring it actually requires. That requirement is autonomic regulation, not herbal or dietary correction alone. The gut cannot transform and transport while the body is running a survival program. Restoring the ENS means restoring the vagal drive that feeds it. That is a hub problem, not a Spleen problem. (Soulié de Morant, 1994)
Continued here…References
AI-assisted drafting was used in preparation and organization of the material for publication.
Almaas, A. H. (1986). Essence: The Diamond Approach to Inner Realization . Samuel Weiser.
Almaas, A. H. (1998). Essence with the Elixir of Enlightenment: The Diamond Approach to Inner Realization . Shambhala Publications.
Andreadi, A., Andreadi, S., Todaro, F., Ippoliti, L., Bellia, A., Magrini, A., Chrousos, G. P., & Lauro, D. (2025). Modified cortisol circadian rhythm: The hidden toll of night-shift work. International Journal of Molecular Sciences, 26 (5), 2090. https://doi.org/10.3390/ijms26052090
Bader, K., Schäfer, V., Schenkel, M., Nissen, L., & Schwander, J. (2007). Adverse childhood experiences associated with sleep in primary insomnia. Journal of Sleep Research, 16 (3), 285–296. https://doi.org/10.1111/j.1365-2869.2007.00608.x
Barral, J. P., & Croibier, A. (2009). Neural Manipulation . North Atlantic Books.
Born, J., Muth, S., & Fehm, H. L. (1988). The significance of sleep onset and slow wave sleep for nocturnal release of growth hormone and cortisol. Psychoneuroendocrinology, 13 (3), 233–243. https://doi.org/10.1016/0306-4530(88)90021-2
Broussard, J. L., Ehrmann, D. A., Van Cauter, E., Tasali, E., & Brady, M. J. (2012). Impaired insulin signaling in human adipocytes after experimental sleep restriction: A randomized, crossover study. Annals of Internal Medicine, 157 (8), 549–557. https://doi.org/10.7326/0003-4819-157-8-201210160-00005
G. Jung Institute of San Francisco. (2005, September 23–25). Soul’s Body: Archetypal Defenses, Affect Regulation and Healing from Trauma [Conference]. Fort Mason Center, San Francisco, CA.
Chapman, K., Holmes, M., & Seckl, J. (2013). 11β-hydroxysteroid dehydrogenases: Intracellular gate-keepers of tissue glucocorticoid action. Physiological Reviews, 93 (3), 1139–1206. https://doi.org/10.1152/physrev.00020.2012
Davis, W. (2022). Super gut: A four-week plan to reprogram your microbiome, restore health, and lose weight. Hachette Go.
Erickson, K. I., Voss, M. W., Prakash, R. S., Basak, C., Szabo, A., Chaddock, L., Kim, J. S., Heo, S., Alves, H., White, S. M., Wojcicki, T. R., Mailey, E., Vieira, V. J., Martin, S. A., Pence, B. D., Woods, J. A., McAuley, E., & Kramer, A. F. (2011). Exercise training increases size of hippocampus and improves memory. Proceedings of the National Academy of Sciences, 108 (7), 3017–3022.
Flomenbaum, M. A., & Warner, R. C. (2022). Morphologic markers of acute and chronic stress in child abuse. American Journal of Clinical Pathology, 157 (6), 823–835. https://doi.org/10.1093/ajcp/aqab204
Fujisawa, T. X., Nishitani, S., Takiguchi, S., Shimada, K., Smith, A. K., & Tomoda, A. (2019). Oxytocin receptor DNA methylation and alterations of brain volumes in maltreated children. Neuropsychopharmacology, 44(12), 2045–2053. https://doi.org/10.1038/s41386-019-0414-8
Hanh, T. N. (1975). The Miracle of Mindfulness: An Introduction to the Practice of Meditation . Beacon Press.
Hanh, T. N. (2001). Anger: Wisdom for Cooling the Flames . Riverhead Books.
Heim, C., Newport, D. J., Mletzko, T., Miller, A. H., & Nemeroff, C. B. (2008). The link between childhood trauma and depression: Insights from HPA axis studies in humans. Psychoneuroendocrinology, 33 (8), 693–710. https://doi.org/10.1016/j.psyneuen.2008.03.008
Heller, L., & LaPierre, A. (2012). Healing Developmental Trauma: How Early Trauma Affects Self-Regulation, Self-Image, and the Capacity for Relationship . North Atlantic Books.
Kalantaridou, S. N., Makrigiannakis, A., Zoumakis, E., & Chrousos, G. P. (2004). Stress and the female reproductive system. Journal of Reproductive Immunology, 62 (1–2), 61–68. https://doi.org/10.1016/j.jri.2003.09.004
Kalsched, D. (1996). The Inner World of Trauma: Archetypal Defenses of the Personal Spirit . Routledge.
Langevin, H. M. (2006). Connective tissue: A body-wide signaling network? Medical Hypotheses, 66 (6), 1074–1077.
Lei, X., Xu, Z., Huang, L., Huang, Y., Tu, S., Xu, L., & Liu, D. (2024). The potential influence of melatonin on mitochondrial quality control: A review. Frontiers in Pharmacology, 14 , Article 1332567. https://doi.org/10.3389/fphar.2023.1332567
Levine, P. A. (2010). In an Unspoken Voice: How the Body Releases Trauma and Restores Goodness . North Atlantic Books.
Lowen, A. (1975). Bioenergetics. Coward, McCann & Geoghegan.
Lowen, A. (1967). The betrayal of the body. Macmillan.
Magee, D. (2023). The Psychological Impact of Narcissistic and Authoritarian Systems [Clinical Series/Digital Archive].
Masgutova, S., & Akhmatova, N. (2011). Integration of Dynamic and Postural Reflexes into the Whole Body Movement System . MNRI Method.
McCraty, R., Atkinson, M., Tomasino, D., & Bradley, R. T. (2009). The coherent heart: Heart-brain interactions, psychophysiological coherence, and the emergence of system-wide order. Integral Review, 5 (2), 10–115.
McEwen, B. S. (2007). Physiology and neurobiology of stress and adaptation: Central role of the brain. Physiological Reviews, 87 (3), 873–904. https://doi.org/10.1152/physrev.00041.2006
McGlone, F., Wessberg, J., & Olausson, H. (2014). Discriminative and affective touch: Sensing and feeling. Neuron, 82 (4), 737–755.
Moffitt, J. (2024). Primitive reflexes and their role in neurodevelopment and emotional regulation. Down the Polyvagal Rabbit Hole . Polyvagal Acupuncture®. https://polyvagalacupuncture.blogspot.com/2024/03/primitive-reflexes-and-their-role-in.html
Moffitt, J. (2025, January 5). Integrative TCM: Hypoxia in long COVID [LinkedIn article]. Polyvagal Acupuncture®. © 2025 J. Moffitt. Registered U.S. Copyright Office. https://www.linkedin.com/pulse/integrative-tcm-hypoxia-long-covid-dr-jennifer-moffitt-yofhc/
Moffitt, J. (2025, April 16). Melatonin: A critical protector in modern health [Blog post]. Polyvagal Acupuncture®. https://students.polyvagalacupuncture.org/melatonin-a-critical-protector-in-modern-health/
Moffitt, J. (2025). Polyvagal acupuncture: An integrative path to autonomic balance. Down the Polyvagal Rabbit Hole . Polyvagal Acupuncture®. https://polyvagalacupuncture.blogspot.com/2025/06/polyvagal-acupuncture-integrative-path.html
Myers, T. W. (2014). Anatomy Trains: Myofascial Meridians for Manual and Movement Therapists (3rd ed.). Churchill Livingstone.
Ornish, D., Madison, C., Kivipelto, M., Kemp, C., Lanzenberg, G., Galantino, M. L., Billings, J. H., Ornish, A., Shumaker, S., & Scherwitz, L. (2024). Effects of intensive lifestyle changes on the progression of mild cognitive impairment or early dementia due to Alzheimer’s disease: A randomized, controlled clinical trial. Alzheimer’s Research & Therapy, 16 (1), 122. https://doi.org/10.1186/s13195-024-01482-z
Peschke, E., & Mühlbauer, E. (2010). New evidence for a role of melatonin in glucose regulation. Best Practice & Research Clinical Endocrinology & Metabolism, 24 (5), 829–841. https://doi.org/10.1016/j.beem.2010.09.001
Porges, S. W. (2011). The Polyvagal Theory: Neurophysiological Foundations of Emotions, Attachment, Communication, and Self-Regulation . W. W. Norton & Company.
Pryor, K. (2019). Ten Fingers Ten Toes: Twenty Things Everyone Needs to Know . BookBaby.
Schleip, R. (2003). Fascial plasticity: A new neurobiological explanation. Journal of Bodywork and Movement Therapies, 7 (1), 11–19.
Schore, A. N. (2012). The Science of the Art of Psychotherapy . W. W. Norton & Company.
Schüle, C., Nothdurfter, C., & Rupprecht, R. (2014). The role of allopregnanolone in depression and anxiety. Progress in Neurobiology, 113 , 79–87. https://doi.org/10.1016/j.pneurobio.2013.09.003
Soulié de Morant, G. (1994). Chinese Acupuncture (L. Grinnell, C. Benedict, & A. Zmiewski, Trans.). Paradigm Publications. (Original work published 1939).
Späth-Schwalbe, E., Gofferje, M., Kern, W., Born, J., & Fehm, H. L. (1991). Sleep disruption alters nocturnal ACTH and cortisol secretory patterns. Biological Psychiatry, 29 (6), 575–584. https://doi.org/10.1016/0006-3223(91)90093-2
Stecco, C. (2015). Functional Atlas of the Human Fascial System . Elsevier Health Sciences.
Upledger, J. E., & Vredevoogd, J. D. (1983). Craniosacral Therapy . Eastland Press.
van der Kolk, B. A. (2005). Developmental Trauma Disorder: Toward a rational diagnosis for children with complex trauma histories. Psychiatric Annals, 35 (5), 401–408.
van der Kolk, B. A. (2014). The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma . Viking.
West, K. E., Jablonski, M. R., Warfield, B., Cecil, K. S., James, M., Ayers, M. A., Maida, J., Bowen, C., Sliney, D. H., Rollag, M. D., Hanifin, J. P., & Brainard, G. C. (2011). Blue light from light-emitting diodes elicits a dose-dependent suppression of melatonin in humans. Journal of Applied Physiology, 110 (3), 619–626. https://doi.org/10.1152/japplphysiol.01413.2009
Winnicott, D. W. (1965). The maturational processes and the facilitating environment: Studies in the theory of emotional development. International Universities Press.
Woodman, M. (1982). Addiction to Perfection: The Still Unravished Bride . Inner City Books.
Woodman, M. (1985). The Pregnant Virgin: A Process of Psychological Transformation . Inner City Books.
Yehuda, R., Daskalakis, N. P., Bierer, L. M., Bader, H. N., Klengel, T., Holsboer, F., & Binder, E. B. (2016). Holocaust exposure induced intergenerational effects on FKBP5 methylation. Biological Psychiatry, 80(5), 372–380.
Zorumski, C. F., Paul, S. M., Covey, D. F., & Mennerick, S. (2019). Neurosteroids as novel antidepressants and anxiolytics: GABA-A receptors and beyond. Neurobiology of Stress, 11 , Article 100196. https://doi.org/10.1016/j.ynstr.2019.100196
