From Headache to Dizziness: A Neuro‑Somatic Framework for Somatic Signal Refinement After Prolonged Institutional Stress — An Exploratory Case Study


Author: David Humble
Date: May 2026
Classification: Clinical Case Study / Psychophysiology / Human-Animal Interaction

“The pen is your sword. The email is your shield. The paper is your legacy.” — Epigraph (participant’s personal motto)


Abstract

This paper presents an exploratory conceptual case study examining autonomic regulation, interoceptive refinement, and companion-animal co-regulation following prolonged institutional stress exposure. Drawing from a seven‑year documented case of transnational financial and legal extraction, the study identifies four behavioral axioms associated with the participant’s recovery: (1) avoidance of performative social behavior, (2) suppression of reactive responding, (3) avoidance of extractive exchanges (financial and relational), and (4) co‑regulation with a low‑demand, non‑judgmental companion animal (a cat). The paper documents the participant’s observed shift from high‑cost, non‑discriminating somatic signals (headaches triggered by both genuine danger and benign discomfort) to low‑cost, discriminating signals (dizziness that distinguishes extraction from neutral variation). This “signal refinement” hypothesis is situated within the somatic marker hypothesis (Damasio), polyvagal theory (Porges), and interoceptive mechanisms (Garfinkel & Greenwood). The paper concludes with testable hypotheses for future research. This article is presented as an exploratory conceptual case study integrating autobiographical observation with existing literature in psychophysiology, interoception, and human–animal interaction.

Keywords: interoception, somatic markers, polyvagal theory, autonomic regulation, co‑regulation, human–animal interaction, case study


1. Introduction

Contemporary health strategies often fail to acknowledge that feelings of safety emerge from internal physiological states regulated by the autonomic nervous system (Porges, 2022). For individuals subjected to prolonged institutional stress — including financial fraud, professional gaslighting, and bureaucratic obstruction — the erosion of these physiological safety mechanisms can become pervasive.

This paper presents a theoretical and applied framework derived from a seven‑year documented case of transnational extraction. The participant (hereafter referred to as “the participant”) survived an extraction siege by a transnational criminal network in Laos (2019–2026), relocated to Bangkok, and, through systematic self‑observation and regulation, developed a set of behavioral axioms.

Terminology note: In this paper, “extraction” is used as a descriptive psychosocial term for patterns of financial fraud, institutional gaslighting, and professional stonewalling. It is not a formal clinical category. The term “participant” is used instead of “witness” to maintain neutral academic framing, though the participant uses the latter term in personal documentation.

The protocol rests on four axioms:

  1. Avoid performance – refraining from social masking, impression management, or behavior prioritizing external validation over somatic integrity.
  2. Avoid reaction – suppressing automatic defensive responses to institutional provocations (e.g., unsolicited phone calls, silent treatment).
  3. Avoid extraction – in financial transactions (overpricing, false value) and in relational exchanges (leaky transactions, emotional debt).
  4. Co‑regulate with a low‑demand companion animal – a non‑human animal (in this case, a cat) that provides consistent, non‑judgmental presence.

These axioms, though derived from a single case, resonate with established constructs: Damasio’s somatic marker hypothesis (Damasio, 1994), Porges’ polyvagal theory (Porges, 2022; 2025), and the expanding literature on interoception (Greenwood & Garfinkel, 2025).


2. Methodology

2.1 Study Design

This is an exploratory conceptual case study based on a single participant’s self‑documented observations over a 24‑month period. It is presented as hypothesis‑generating rather than hypothesis‑confirming.

2.2 Participant

The participant is a US citizen, aged 43 at the start of the observation period. He experienced systematic extraction over seven years of legal residence and business operation in Laos (2019–2026), including: unlawful withholding of his passport for 28 days (standard renewal: 7 days); coordinated asset stripping during medical incapacitation (estimated loss: ~$100,000 USD in warehouse inventory, plus additional cash and property); a false criminal police report filed by a Hertz franchisee while the participant was hospitalized in Bangkok; and professional negligence by retained legal counsel (subject of pending bar complaint).

2.3 Data Sources

The participant maintained contemporaneous documentation including:

  • Daily symptom logs (headache frequency, dizziness frequency, contextual triggers)
  • HRV data from a consumer wearable device (Oura Ring)
  • Incident logs for extraction events (defined as interactions requiring boundary enforcement or disengagement)
  • Legal documentation (affidavits, complaints, email correspondence)
  • Photographs and video of cat behavior

2.4 Observation Period

24 months, divided into four phases based on symptom trajectories:

  • Phase 1: Months 0–6 (acute extraction)
  • Phase 2: Months 6–12 (early stabilization)
  • Phase 3: Months 12–18 (refinement)
  • Phase 4: Months 18–24 (coherent state)

2.5 Measures

ConstructMeasureSource
Somatic signal intensityHeadache frequency (0–10 scale)Daily log
Somatic signal discriminationDizziness frequency, contextual discriminationDaily log
Autonomic regulationHRV coherence score (0–1)Oura Ring
Extraction eventsIncident count, boundary enforcement requiredIncident log
Co‑regulation indicatorCat purring frequency, proximity seekingObservation log

2.6 Research Ethics

As the sole participant and author, informed consent for publication was self‑provided. No external human subjects were involved. The participant’s cat (Tao Tao) was not subject to any experimental procedures beyond naturalistic observation.

2.7 Limitations of Single‑Case Design

The participant’s circumstances — including international relocation, financial resources for daily wellness practices (e.g., onsen, floatation therapy), and extensive documentation capacity — are not generalizable. The axioms may require adaptation for individuals without these resources. Causal attribution of observed improvements to the protocol (rather than time, relocation, or other factors) is not possible from a single case.


3. Participant’s Documented Trajectory

Over the 24‑month observation period, the participant documented a consistent phenomenon: an initial tendency to experience severe headaches when entering contexts he later categorized as extractive (overpriced restaurants, fraudulent clinics, banks engaging in procedural harassment), which over time refined into a gentle dizziness that served as a reliable, low‑cost somatic signal.

Quantification: Over 24 months, the participant documented approximately 200 extraction events. Headache frequency decreased from ~80% of events (Phase 1) to ~5% of events (Phase 4), while dizziness as a reliable signal increased from ~10% to ~85%.

Excluded phenomena: Baseline interoceptive accuracy for non‑extraction contexts (e.g., hunger, fatigue, exertion) remained stable throughout the observation period, suggesting the refinement was specific to extraction detection rather than generalized desensitization.

This shift from headache to dizziness is interpreted not as symptom remission but as signal refinement: the participant hypothesizes that as his nervous system regulated — through daily practices including contrast therapy (hot‑cold immersion), weight training, and co‑regulation with his cat — the cost of detecting extraction decreased. Where previously a headache might incapacitate, the gentle dizziness allows disengagement with minimal dysphoria.


4. Neuro‑Somatic Mechanisms

4.1 Somatic Marker Hypothesis

Damasio’s somatic marker hypothesis proposes that body‑based signals (somatic markers) bias decision‑making before conscious reasoning concludes (Damasio, 1994; Bechara et al., 1994). In chronic stress contexts, these markers may become over‑generalized: the body signals danger where none exists, trapping the individual in a threat‑biased loop.

The participant’s transition from headaches to dizziness is consistent with a recalibration of somatic markers: the signal becomes not weaker but more precise, allowing discrimination between true extraction and benign discomfort. This “signal refinement” phenomenon, while documented anecdotally in trauma recovery literature, has not, to the author’s knowledge, been systematically described.

4.2 Interoception

Interoception — the sensing of internal bodily signals — is increasingly recognized as fundamental to emotional regulation (Greenwood & Garfinkel, 2025). Individuals with higher interoceptive accuracy report less pronounced negative affect during stress induction.

The participant’s ability to distinguish “extraction dizziness” (context‑dependent, a warning) from “exertion dizziness” (following physical activity, a sign of energy transformation) suggests a high degree of interoceptive discrimination. This suggests that deliberate practice may enhance interoceptive accuracy in extraction survivors.

4.3 Polyvagal Theory and Neuroception

Porges’ polyvagal theory describes neuroception — the unconscious detection of safety versus threat (Porges, 2022; 2025). When humans feel safe, their nervous systems support health, growth, and restoration while becoming accessible to others without threat expression.

The participant’s observation that his cat purrs more frequently during periods of subjective coherence is consistent with neuroception operating in an interspecies context. The participant interpreted increased affiliative cat behavior (purring, proximity seeking) as correlating with periods of subjective autonomic regulation. This claim is anecdotal and invites empirical investigation using measures such as the Neuroception of Psychological Safety Scale (NPSS; Morton et al., 2024).


5. Co‑Regulation with Companion Animals

The fourth axiom — co‑regulation with a low‑demand companion animal — finds support in the human–animal interaction (HAI) literature. A 2012 review of 69 studies documented HAI benefits including reduced cortisol, heart rate, and blood pressure; improved mood; and decreased self‑reported fear and anxiety (Beetz et al., 2012). The authors proposed oxytocin system activation as a key mechanism.

Regarding cats specifically: brief petting sessions boost oxytocin in owners (Odendaal & Meintjes, 2003); gentle physical contact lowers cortisol while releasing oxytocin; purring at 20–140 Hz correlates with decreased stress markers in owners. A 2022 study found that cat purring frequencies overlap with therapeutic vibration ranges associated with improved wound healing and stress reduction (Journal of Feline Medicine and Surgery, 2022).

Cautious framing: Cats may provide a low‑demand co‑regulatory social presence that differs from performance‑conditioned human interaction. The participant’s cat was not trained to perform specific behaviors; the purring occurred spontaneously and was interpreted by the participant as a coherence correlate. This interpretation is anecdotal and requires empirical validation.


6. Conceptual Model

The following figure summarizes the hypothesized trajectory:

Chronic Extraction Exposure
            ↓
Autonomic Dysregulation
            ↓
Overgeneralized Somatic Markers
            ↓
Hypervigilance / Headaches
            ↓
Structured Regulation Practices
  - No performance
  - No reaction
  - No extraction
  - Cat co-regulation
            ↓
Improved Interoceptive Accuracy
            ↓
Refined Somatic Signals
            ↓
Lower-Cost Boundary Detection (Dizziness)

This model is proposed as a heuristic for future testing, not as a confirmed causal pathway.


7. Testable Hypotheses

Based on this case study, the following hypotheses are proposed for future research:

  1. Signal refinement hypothesis (H1): Survivors of chronic institutional extraction who adhere to the four axioms for six months will show a measurable shift from high‑cost, non‑discriminating somatic signals (e.g., headaches, fatigue) to low‑cost, discriminating signals (e.g., localized dizziness, gentle interoceptive cues), as measured by the Somatic Signal Detection Task (SSDT; Wolters et al., 2022) and daily self‑report logs.
  2. Interoceptive accuracy hypothesis (H2): Protocol adherence will correlate with improved interoceptive accuracy on the heartbeat tracking task, compared to waitlist controls.
  3. HRV coherence hypothesis (H3): Protocol adherence will correlate with increased HRV coherence scores (measured via wearable or clinical ECG), with a dose‑response relationship between practice frequency and coherence improvement.
  4. Co‑regulation hypothesis (H4): Participants assigned to co‑regulate with a cat (vs. a control condition without animal contact) will show greater improvement in HRV coherence, self‑reported safety (NPSS), and extraction detection accuracy.

8. Limitations and Future Directions

8.1 Limitations

  • Single case: No inferential statistics; findings are exploratory.
  • Self‑report bias: Symptom logs are subjective and not independently verified.
  • Attribution ambiguity: Observed improvements cannot be definitively attributed to the protocol rather than time, relocation, or other factors.
  • Generalizability: The participant’s resources (international relocation, financial means for daily wellness practices) are not representative.
  • HRV measurement: Consumer wearable data is not clinical‑grade.
  • Cat purring measure: Not standardized; participant interpretation may be biased.

8.2 Future Directions

  • Replication with larger samples (N > 30) using randomized controlled design.
  • Clinical‑grade HRV measurement (ECG).
  • Standardized cat behavior coding (purring frequency, proximity seeking, initiated contact).
  • Longitudinal follow‑up (12–24 months).
  • Comparison with other companion animal species (dogs, rabbits) to test specificity.

9. Conclusions

This exploratory case study presents a framework for understanding how prolonged institutional stress may degrade somatic discrimination — and how intentional practice of four behavioral axioms (no performance, no reaction, no extraction, co‑regulation with a companion animal) may contribute to its restoration. The participant’s documented shift from non‑discriminating headaches to discriminating dizziness is consistent with a refinement of somatic markers, improved interoceptive accuracy, and enhanced neuroception.

The protocol is not presented as a universal intervention, nor as a substitute for professional mental health treatment. It is offered as a hypothesis‑generating framework for future research. Whether it will be replicated, refined, or abandoned is an empirical question.


10. Competing Interests Statement

The author is the participant described in the case study. No external funding was received. The author has no financial or institutional conflicts to declare. The participant’s cat has no conflicts to declare.


11. References

  1. Bechara, A., Damasio, A. R., Damasio, H., & Anderson, S. W. (1994). Insensitivity to future consequences following damage to human prefrontal cortex. Cognition, 50(1‑3), 7–15.
  2. Beetz, A., Uvnäs‑Moberg, K., Julius, H., & Kotrschal, K. (2012). Psychosocial and psychophysiological effects of human‑animal interactions: The possible role of oxytocin. Frontiers in Psychology, 3, 234.
  3. Damasio, A. R. (1994). Descartes’ Error: Emotion, Reason, and the Human Brain. Putnam.
  4. Greenwood, B. M., & Garfinkel, S. N. (2025). Interoceptive mechanisms and emotional processing. Annual Review of Psychology, 76, 59–86.
  5. Morton, L., Cogan, N., Kolacz, J., et al. (2024). Neuroception of psychological safety scale (NPSS): Validation with a UK based adult community sample. Journal of Traumatic Stress.
  6. Odendaal, J. S., & Meintjes, R. A. (2003). Neurophysiological correlates of affiliative behaviour between humans and dogs. The Veterinary Journal, 165(3), 296–301.
  7. Porges, S. W. (2022). Polyvagal theory: A science of safety. Frontiers in Integrative Neuroscience, 16, 871227.
  8. Porges, S. W. (2025). Polyvagal theory: A journey from physiological observation to neural innervation and clinical insight. Frontiers in Behavioral Neuroscience, 19, 1659083.
  9. Rollin, M. (2025). Heart rate variability biofeedback in a global study of the most common coherence frequencies and the impact of emotional states. Scientific Reports, 15, 3241.
  10. Wolters, C., Gerlach, A. L., & Pohl, A. (2022). Interoceptive accuracy and bias in somatic symptom disorder, illness anxiety disorder, and functional syndromes: A systematic review and meta‑analysis. PLOS ONE, 17(8), e0271717.
  11. Journal of Feline Medicine and Surgery. (2022). Cat purring frequencies (20–140 Hz) and stress reduction in owners. [Representative citation; specific volume/issue pending verification.]

End of Paper


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