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Traumatic Brain Injury in Colorado Personal Injury Cases: What the Medical Research Means for Your Claim

Jason Savela10 min read

TBI is not a single event — it is a biological process that unfolds over months and years. Understanding what the medical literature says about mild TBI, cognitive impairment, and long-term risk is essential to recovering full compensation in Colorado.

When a client comes to me after a car accident, a fall, or a collision and says 'I hit my head but the ER said it was just a mild concussion,' I pay close attention. The word 'mild' is one of the most misleading terms in medicine. Mild traumatic brain injury — mTBI — is mild only in the sense that it does not immediately threaten life. Its consequences can be anything but mild, and the medical research makes that unmistakably clear.

A 2010 paper by Masel and DeWitt published in the Journal of Neurotrauma established a framework that has shaped how serious TBI practitioners think about brain injury ever since: TBI is not an event — it is a process. The injury that occurs at the moment of impact is only the beginning. What follows is a cascade of neurological, metabolic, and inflammatory changes that can continue for months or years. Axonal injury, disrupted neurotransmitter function, and chronic neuroinflammation do not resolve on a fixed schedule. They evolve, and their effects accumulate.

This matters enormously in a personal injury case. Insurance adjusters and defense attorneys routinely argue that a person who walked out of the emergency room with a 'normal' CT scan has no serious injury. The research says otherwise. CT scans miss the diffuse axonal injury that characterizes many mTBI cases. The absence of a visible lesion on imaging does not mean the brain is uninjured — it means the injury is not detectable by that particular tool.

A 2017 study by McInnes and colleagues, published in the Journal of Neuroengineering and Rehabilitation, examined the relationship between mild TBI and chronic cognitive impairment. The findings were significant: a meaningful proportion of mTBI patients experience persistent cognitive deficits — problems with memory, attention, processing speed, and executive function — that do not resolve within the three-month window that older medical literature once treated as the expected recovery period. These deficits are real, measurable, and disabling.

The McInnes study also highlighted the heterogeneity of mTBI outcomes. Not every person with a mild TBI will develop chronic cognitive impairment, but the factors that predict who will — age, prior head injuries, the presence of post-traumatic stress, sleep disruption, and pre-existing neurological vulnerability — are often present in accident victims. A 50-year-old who has had prior concussions and is now dealing with post-accident insomnia and anxiety faces a very different prognosis than a 25-year-old with no prior history. The law must account for that difference.

A 2019 study by Nelson and colleagues, drawing on data from patients presenting to Level I trauma centers across the United States, examined recovery trajectories after mild TBI. The study found that a substantial portion of patients — particularly those who were older, had lower baseline cognitive function, or experienced more severe acute symptoms — had not returned to their pre-injury functional status at three months. Many reported ongoing headaches, fatigue, difficulty concentrating, and emotional dysregulation. These are not subjective complaints invented for litigation. They are documented outcomes in peer-reviewed research.

The Nelson study is particularly useful in litigation because it provides population-level data on recovery rates. When a defense expert testifies that 'most mTBI patients recover fully within three months,' that claim is not supported by the data from Level I trauma centers. The reality is more complicated, and the outliers — the patients who do not recover on schedule — are not malingerers. They are patients whose injuries followed a well-documented, if less common, clinical course.

Perhaps the most sobering research in this area comes from a 2022 study published in JAMA — one of the most prestigious medical journals in the world. That study examined the long-term association between traumatic brain injury and the development of chronic disorders, including neurodegenerative diseases, psychiatric conditions, and other systemic health problems. The findings confirmed what neurologists have suspected for years: TBI, even at the mild end of the spectrum, is associated with significantly elevated risk of developing conditions such as depression, anxiety, post-traumatic stress disorder, Parkinson's disease, and dementia — sometimes decades after the original injury.

This long-tail risk is one of the most challenging aspects of TBI litigation. Colorado law allows injured plaintiffs to recover damages for future medical expenses and future pain and suffering, but quantifying those damages requires expert testimony grounded in the medical literature. A neurologist who can explain to a jury what the JAMA data shows — that a 45-year-old who sustained a TBI in a car accident faces a measurably elevated lifetime risk of neurodegenerative disease — is presenting evidence that goes far beyond the immediate medical bills. It speaks to the true, long-term cost of the injury.

Insurance companies know this research exists. Their medical experts know it too. What they count on is that injured people and their attorneys will not present it effectively — or at all. They count on the 'mild' label doing its work, on juries accepting the idea that a normal CT scan means a normal brain, and on the three-month recovery myth going unchallenged. My job is to make sure that does not happen.

If you or someone you love has sustained a head injury in a Colorado accident — whether in a car crash, a truck collision, a slip and fall, or any other incident — do not accept a quick settlement before the full picture of your injury is understood. Get a neurological evaluation. Document your cognitive symptoms. Keep a journal of how your daily functioning has changed. And consult with an attorney who understands the medical science well enough to present it to a jury.

The research is clear: traumatic brain injury is a process, not an event. The compensation you recover should reflect that reality — not the insurance company's interest in closing your file as cheaply as possible.

Legal Disclaimer: This article is provided for general informational purposes only and does not constitute legal advice. Reading this article does not create an attorney-client relationship. Every legal situation is unique. If you have questions about your specific circumstances, contact The Savela Law Firm, P.C. directly.

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