Chronic Pain After Concussion: 10-Year Case Study Resolved Through Brain-Based Functional Neurology
March 18, 2026
Patient Case Study
Chronic Left-Sided Pain Resolution Through Brain-Based Neurological Rehabilitation
Patient
Anonymous, 45
Complaint
Chronic L-Side Pain
Duration
10 Years
Outcome
40cm → <20cm Sway
Clinical Summary
A 45-year-old male presented to our clinic with chronic neck and back pain concentrated along the left side of his body, stemming from a motor vehicle accident sustained 10 years prior. Despite over a decade of treatment — including chiropractic care, physical therapy, acupuncture, medication, and supplementation — his symptoms would temporarily improve before consistently returning. The patient had not connected his ongoing pain to his original concussion, which had gone unaddressed at the neurological level.
Presenting Symptoms
- Chronic left-sided neck and back pain, persistent and recurring
- Symptoms significantly impacting daily life and comfort over a 10-year span
- History of failed conservative care across multiple disciplines
- Unrecognized post-concussion syndrome following an auto accident
Brain-Based Rehabilitation Protocol
Following a thorough neurological examination, a targeted rehabilitation protocol was developed to stimulate and restore function within the identified dysfunctional brainstem and vestibular networks. The protocol was designed to address both the root neurological cause of his chronic pain and the symptomatic dysfunction.
Functional Neurology & Vestibular Rehabilitation
Targeted neurological exercises and sensory stimulation designed to activate and strengthen the dysfunctional left brainstem networks. Neuroplasticity — the brain’s capacity to reorganize and strengthen connections — is the core mechanism through which lasting improvement is achieved.
Neuro-Ophthalmological Eye Movement Therapy
Specific gaze-holding and smooth pursuit exercises targeting the impaired leftward eye movement networks. Eye movements directly exercise the neural circuits responsible for balance, spatial orientation, and pain modulation in the brainstem.
Balance & Postural Control Training
Progressive challenges to the balance system to reduce the brain’s metabolic burden of maintaining equilibrium. When the brain no longer works excessively to stay upright, resources are freed for higher-order functions — including the brain’s own endogenous pain-inhibition system.
Musculoskeletal Assessment & Treatment
Evaluation and treatment of secondary musculoskeletal findings present on examination. Addressing structural components in conjunction with neurological rehabilitation reduces compensatory muscle tension and supports overall recovery.
Diagnostic Eye Movement & Balance Testing
Computerized neuro-ophthalmological testing and postural sway analysis to objectively identify and localize dysfunctional brain networks — providing a precise, non-invasive window into CNS function that standard imaging cannot offer.
Results & Patient-Reported Outcomes
Following a single targeted neurological intervention, the patient demonstrated an immediate, measurable improvement in balance system function. Postural sway was reduced by more than 50% within the same visit, and sway quality shifted from erratic and unpredictable to smooth and organized — a direct indicator of a brain operating more efficiently.
>50%
Sway Reduction
1
Treatment Session
10 min
Time to Measure Change
Before & After Comparison
| Metric | Before Treatment | After Initial Session |
|---|---|---|
| Balance Sway (peak) | ~40 cm — erratic | ~20 cm — controlled |
| Sway Pattern Quality | Highly disorganized | Normalized in 10 min |
| Spontaneous Nystagmus | Left-beating at baseline | Pending follow-up |
| Gaze Holding (Left) | Failed — 4 beats nystagmus | Pending follow-up |
| Left-Sided Pain | Chronic, treatment-resistant | Monitoring over care plan |
| CNS Efficiency | High postural load | Significantly reduced |
Clinical Significance
This case demonstrates the effectiveness of a brain-based, neurological approach for chronic, treatment-resistant musculoskeletal pain. By identifying and targeting the root cause — left brainstem network dysfunction impairing the brain’s own pain-modulation system — meaningful and measurable improvement was achieved where years of structural interventions had not.
An estimated 3.8 million concussions occur annually in the United States, and the long-term neurological sequelae are widely underrecognized. Many patients with chronic unilateral pain are told their imaging is normal and that little more can be done. This case illustrates that an integrated, brain-based approach — confirmed through objective eye movement and balance testing — can produce rapid, objective improvements in a single session, laying the foundation for lasting recovery through ongoing neurological rehabilitation.
Key Takeaways
- Concussion symptoms can persist for years and may present as chronic musculoskeletal pain that appears entirely unrelated to a prior head injury.
- Treatment-resistant, unilateral chronic pain warrants evaluation of central nervous system function — particularly brainstem and vestibular integrity.
- Eye movement testing provides an objective, localizing biomarker for neurological dysfunction that standard imaging (MRI, X-ray) cannot detect.
- Brainstem dysfunction impairs the brain’s own endogenous pain-inhibition system, creating persistent ipsilateral sensitization regardless of structural treatments applied.
Are You Suffering from Chronic Pain?
If you or a loved one has been dealing with pain that keeps coming back despite treatment, our clinic offers comprehensive brain-based neurological rehabilitation. Contact us today to find out if you’re a candidate for our integrated care approach.
Schedule Your Consultation →Disclaimer: Individual results may vary. This case study is presented for informational purposes only and does not constitute a guarantee of specific outcomes. Treatment plans are customized to each patient’s unique condition and health history. Consult a qualified healthcare provider to determine if these treatments are appropriate for your situation.