Definition of TBI

: traumatic brain injury A soldier—or a civilian—can survive the blast without a single penetrating wound and still receive the worst diagnosis: traumatic brain injury, or TBI, the signature injury of the Iraq War.— Michael Mason Most TBI victims sustain lingering physical and cognitive impairments. Many face an arduous, lifelong task of relearning sometimes even the simplest skills, such as bathing and dressing themselves.— David Gelman

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Medical Definition of TBI

traumatic brain injury As roadside explosions became more common, military doctors suspected that these symptoms were the likely result of mild traumatic brain injury (TBI) sustained in blasts.— Yudhijit Bhattacharjee, Science, 25 Jan. 2008

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