| http://www.w3.org/ns/prov#value | - You do not need to lose consciousness or experience serious symptoms at injury to have had a TBI. Additional symptoms of TBI include behavioral or emotional changes, diffuse physical complaints such as headaches, sleep disturbance, and cognitive changes including slower reaction times, difficulty concentrating, or feeling like you can???t think clearly or are in a ???fog.??? The more subtle sympto
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