A traumatic brain injury, or TBI, is most often caused by a sudden impact that can change your life in an instant. A traumatic brain injury can effect everything from your ability to get out of bed in the morning to your personality and how you interact with others. A brain injury is vastly different from a broken leg or a punctured lung. It is an an injury that can potentially limit every element of your life. If you or someone you know has developed a traumatic brain injury, it is important to understand what it means and whether or not you have a personal injury case.