traumatic brain injury

American  

[traw-mat-ik breyn in-juh-ree, truh-mat-ik] / trɔˈmæt ɪk ˈbreɪn ˌɪn dʒə ri, trəˈmæt ɪk /

noun

Medicine/Medical.

1. damage to the brain from a source outside the body, such as an object that strikes the head violently or penetrates the skull, which causes symptoms ranging from headache and dizziness to permanent physical or mental disability: TBI

   After the car accident, he was diagnosed with a severe traumatic brain injury that greatly affected his memory and ability to concentrate.

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Etymology

Origin of traumatic brain injury

First recorded in 1890–95

Example Sentences

Early proof of concept experiments also suggested that the same approach may one day be useful for other inflammation driven conditions, including traumatic brain injury and pulmonary arterial hypertension.

From Science Daily • May 5, 2026

Suffering what was likely a traumatic brain injury, he sank into a deep depression.

From The Wall Street Journal • Apr. 28, 2026

Rahman has autism and is recovering from a traumatic brain injury.

From Los Angeles Times • Feb. 3, 2026

"Disorders such as attention deficit, sensory hypersensitivity, or some forms of traumatic brain injury may partly originate from imbalances between cortical communication and these fundamental circuits."

From Science Daily • Nov. 8, 2025

I want to tell her that my memory is hacked, that I have a traumatic brain injury.

From "We Were Liars" by E. Lockhart