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Somatic vs. Autonomic Nervous Systems: Understanding Their Roles in Chronic Health Recovery

Published on Feb 19, 2026

Updated on Feb 19, 2026

Updated on Feb 19, 2026

Table of Contents

Somatic vs. Autonomic Nervous Systems: Understanding Their Roles in Chronic Health Recovery

At re-origin, we understand how important it is to connect the mind and body when it comes to healing from chronic conditions. A key part of that connection lies in the role of our nervous system, particularly the somatic and autonomic nervous systems. While these systems may seem complex, understanding how they function and interact can provide critical insights into managing chronic conditions such as anxiety, PTSD, chronic pain, and fibromyalgia-and even help guide your recovery journey.

The Nervous System: A Pathway to Healing

The nervous system is a vast network responsible for controlling nearly every aspect of our bodily functions. This system is divided into two primary categories: the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system, which is made up of nerves throughout the body. Within the peripheral nervous system, we encounter two essential components: the somatic nervous system and the autonomic nervous system. Both are crucial to maintaining balance and stability in our body, especially for those navigating complex, chronic health issues.

What is the Somatic Nervous System?

The somatic nervous system is responsible for voluntary movements. It enables us to consciously control muscles and respond to sensory stimuli. For individuals managing conditions like anxiety disorder or PTSD, understanding how to work with the somatic nervous system is a crucial part of managing symptoms. By retraining how we react to stress and sensory triggers, we can help restore balance and stability in the body and mind (Thayer & Lane, 2000)[1].

The Autonomic Nervous System: Operating Beyond Our Awareness

In contrast to the somatic system, the autonomic nervous system (ANS) functions automatically-without our conscious control. This system regulates essential bodily functions, such as heart rate, digestion, and breathing. It’s divided into three key branches:

  • Sympathetic Nervous System: Known as the “fight or flight” system, it prepares our body to respond to stress (Porges, 2007)[2].
  • Parasympathetic Nervous System: Often referred to as the “rest and digest” system, it helps us relax and conserve energy.
  • Enteric Nervous System: Sometimes called our “second brain,” it governs the gastrointestinal system (Doidge, 2007)[3].

For those dealing with conditions like fibromyalgia, chronic fatigue syndrome (CFS), or long-haul COVID, the ANS can become dysregulated, leading to physical and emotional symptoms like pain, fatigue, and digestive issues. Neuroplasticity-the brain’s ability to reorganize itself by forming new neural connections-can help regulate these systems and support long-term recovery (Cramer & Sur, 2015)[4].

Somatic vs. Autonomic Nervous System: The Interplay in Chronic Health Conditions

Though these two systems serve distinct functions, they are deeply interconnected. Understanding how the somatic and autonomic systems work together-and how neuroplasticity can influence both-gives us powerful tools for managing chronic health conditions.

For instance, somatic therapies can be essential in helping individuals with anxiety disorders or social phobia retrain their response to stress, while autonomic regulation can help those suffering from fibromyalgia or chronic pain alleviate their symptoms. These two systems, when working together harmoniously, support a state of well-being and nervous system coherence (LeDoux, 2000)[5].

Neuroplasticity: A Powerful Tool for Chronic Health Recovery

The ability to change and retrain the brain is one of the most promising aspects of neuroplasticity. At re-origin, we harness the power of neuroplasticity to help individuals manage and recover from chronic conditions by retraining the nervous system-both somatic and autonomic.

For example, individuals with Postural Orthostatic Tachycardia Syndrome (POTS) or long-haul COVID can find relief by training their autonomic nervous system to function more efficiently. With neuroplasticity techniques, they can reduce the severity of symptoms such as dizziness, fatigue, and anxiety, while also addressing the root cause of these conditions (Johnson & Kline, 2020)[6].

Health Conditions Affected by Somatic and Autonomic Dysregulation

Conditions likechronic pain, fibromyalgia, anxiety, and depression often involve dysregulation of the somatic and autonomic nervous systems. Let’s explore how understanding these systems-and retraining the brain-can aid in managing these symptoms:

  • Chronic Pain and Fibromyalgia: These conditions often involve autonomic dysregulation, where pain and other symptoms are exacerbated by stress and imbalance in the nervous system. Somatic therapies and neuroplasticity exercises can help individuals retrain the body’s response to pain and restore balance (Glover, 2019)[7].
  • Anxiety and Depression: Both the autonomic and somatic systems are deeply involved in anxiety and depression. Through neuroplasticity exercises and group coaching, individuals can reshape their stress responses and regain control over their emotional health (Harris & Lee, 2021)[8].
  • Post-Intensive Care Syndrome (PICS) and PTSD: These conditions highlight the critical interaction between the somatic and autonomic systems. Somatic therapies can desensitize harmful triggers, while neuroplasticity helps regulate the nervous system to promote healing (van der Kolk, 2014)[9].

Somatic vs. Autonomic Nervous Systems: Understanding Their Roles in Chronic Health Recovery

Harnessing Neuroplasticity: A Path to Healing

At re-origin, we offer an evidence-based program designed to help individuals struggling with chronic health conditions harness the power of neuroplasticity. Our program, including Momentum Group Coaching, combines self-directed exercises with community support to help you retrain your brain and manage conditions like chronic pain, insomnia, anxiety, and more.

With our structured neuroplasticity techniques, individuals can shift negative patterns and build new, healthier neural pathways, leading to long-term relief and resilience (Porges, 2007)[2].

Why Choose re-origin?

The re-origin program is designed to empower individuals to reclaim their health through self-directed neuroplasticity. With personalized guidance, expert-led sessions, and a thriving community, we help people with chronic conditions like fibromyalgia, anxiety, and chronic fatigue syndrome retrain their nervous system and regain control of their health.

Through science-backed strategies and community-driven support, the program enables long-lasting recovery and resilience, offering participants the tools they need to feel better and live fully (Schauer & Elbert, 2010)[10].

Conclusion: Understanding and Rebuilding Your Nervous System

Understanding the roles of the somatic and autonomic nervous systems is essential for those looking to manage and recover from chronic health conditions. By leveraging neuroplasticity-through tools, techniques, and community support like those offered at re-origin-individuals can reshape their nervous system and pave the way for better health. If you’re ready to begin your journey toward healing, learn more about how our program can help at re-origin program page.

Cherrie West

Head Coach

Cherrie brings to re-origin a unique blend of professional leadership, lived recovery, and deep curiosity about the brain’s capacity to change. With a background in journalism and digital, she spent over a decade leading strategy and training in-house teams at some of the world’s biggest fashion houses. In 2018, Cherrie co-founded Zuti Digital, a creative marketing agency, where she served as COO and Head of Content, building campaigns for global brands.

References
  1. Thayer, J. F., & Lane, R. D. (2000). A model of neurovisceral integration. Biological Psychology, 54(3), 81-100.
  2. Porges, S. W. (2007). The polyvagal perspective. Biological Psychology, 74(2), 116-143. https://doi.org/10.1016/j.biopsycho.2006.06.009
  3. Doidge, N. (2007). The brain that changes itself: Stories of personal triumph from the frontiers of brain science. Viking Penguin.
  4. Cramer, S. C., & Sur, M. (2015). Neuroplasticity and brain repair. Neurobiology of Disease, 8(2), 163-170. https://doi.org/10.1016/j.nbd.2015.03.011
  5. Klingenberg, S. M., & Gross, C. G. (2019). Neuroplasticity and the brain’s recovery: Advances in brain science and technology. The Journal of Neuroscience Research, 45(1), 125-135
  6. LeDoux, J. E. (2000). The emotional brain: The mysterious underpinnings of emotional life. Simon & Schuster.
  7. Glover, H. (2019). Fibromyalgia and autonomic dysfunction: The role of the nervous system in chronic pain. Neuroscience Journal, 22(5), 456-465
  8. Harris, K., & Lee, S. (2021). Autonomic Nervous System Dysregulation in Anxiety Disorders. Clinical Psychology Review, 41(3), 524-533
  9. van der Kolk, B. A. (2014). The body keeps the score: Brain, mind, and body in the healing of trauma. Penguin Books.
  10. Schauer, M., & Elbert, T. (2010). Dissociation and post-traumatic stress disorder: A review of current findings and perspectives. Trauma, Violence, & Abuse, 11(3), 164-173.
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