TBI Neuroimaging: A Trial-Ready Tool for 2026
The admissibility of advanced neuroimaging under Daubert and Frye standards is no longer a novel legal theory. Recent federal and state court decisions have cemented Diffusion Tensor Imaging (DTI) as a highly reliable, trial-ready diagnostic tool for traumatic brain injuries.
The "Imperfect Differential Diagnosis" Argument Fails
Opposing counsel frequently attempts to exclude DTI by arguing the plaintiff's expert failed to rule out every possible alternative cause for white matter disruption (such as aging or pre-existing conditions). In the federal case Davis v. Adam (U.S. District Court, Northern District of Oklahoma), the court firmly rejected this tactic.
- The Ruling: An expert’s failure to eliminate every alternative cause goes to the weight of the testimony—to be decided by a jury—not its admissibility.
- The Reality: The court noted that DTI is widely accepted in the medical community, with the defense's own expert conceding that 90% of MRI facilities are now equipped to perform it.
Local Rulings Echo National Trends: New Mexico Case Law
This widespread acceptance is accelerating at the state level. In Herrera v. Prestige Equipment Rentals (5th Judicial District Court of New Mexico), the defense tried to exclude an expert who attributed a TBI diagnosis to abnormal DTI findings.
The court decisively rejected the motion, explicitly recognizing DTI as a "sufficiently reliable means to diagnose traumatic brain injury." For New Mexico attorneys, this establishes a clear, local foundation for introducing objective imaging evidence.
The Takeaway for Attorneys
The legal foundation for DTI is stronger than ever. To defeat pre-trial motions and bring objective evidence of "invisible" injuries to the jury, attorneys must:
Utilize qualified TBI expert witnesses who can clearly explain the technology.
Base their arguments on validated, peer-reviewed methodology.
Link imaging findings to the plaintiff's lived experience and clinical history.
Build Your Admissibility Strategy
Ready to introduce this evidence in your next case? Let our team handle the imaging collection so we can process the Quantify® report and match you with the right licensed expert to evaluate and support the findings.