Historically TBI was differentiated from concussion, sports related chronic traumatic encephalopathy  and extra-axial hematomas but, now they all are being characterized under a broad umbrella of the disease spectrum.
Can you provide a brief summary of Traumatic Brain Injury?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: Can you provide a brief summary of Traumatic Brain Injury? [/INST] \n Historically TBI was differentiated from concussion, sports related chronic traumatic encephalopathy  and extra-axial hematomas but, now they all are being characterized under a broad umbrella of the disease spectrum.</s>