What is a traumatic brain injury?

Put in its simplest terms, a traumatic brain injury (TBI) happens when a sudden trauma occurs to the brain. The Centers for Disease Control and Prevention (CDC) describes a TBI as a “bump, blow or jolt to the head or a penetrating head injury that disrupts the normal function of the brain.” This force may produce a diminished or altered state of consciousness, resulting in an impairment of cognitive abilities and physical functioning. It can also result in the disturbance of behavioral and emotional functioning.

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