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# From concussion to severe TBI: stratifying the injury
- URL: https://tbilitigationsupport.com/knowledge-post-5/
- Published: 2026-08-22T14:44:25.000Z
- Updated: 2026-08-23T11:02:51.000Z
- Description: Not every head injury is the same injury. The recording can place a subject along a severity continuum, not just a yes/no.
- Author: Robert Sterling
- Tags: #Import 2026-09-07 19:13

Research conducted at Veterans Affairs, including thousands of subjects across injury severities, showed that eye-movement patterns can classify and stratify TBI to a high degree. The practical result for litigation is a more honest damages conversation.

A concussion is not a moderate TBI. A moderate TBI is not a severe TBI. Subjective inventories collapse those distinctions. Oculomotor metrics do not have to.

## The published foundation

Computerized eye tracking has been studied as a rapid, user-friendly method for identifying mild TBI and post-concussive patterns versus normal controls. Work associated with this program includes peer-reviewed research such as Cifu, Wares, Hoke, Wetzel, Gitchel, and Carne, “Differential eye movements in mild traumatic brain injury versus normal controls,” *Journal of Head Trauma Rehabilitation* (2015).

That literature is the starting point for an expert opinion, not a substitute for one. Each case still turns on this subject, this recording, this mechanism, and this differential.