Taken from About Traumatic Brain Injury at
http://www.bisociety.org/
The intellectual, behavioral, vocational difficulties may often affect present and future life styles and personality behavior of the brain-injured recovering and recovered individual. In most instances, the person you knew, no longer exists. A new person reemerged, a person who is unknown to you and even to them. This person is different and will more than likely never be the person you knew and loved. They are a different person.