you an idea and we don't know which side, carol, but the brain is convex over here and pass out in this area maybe through the skull. an important thing that they told us that it was through and through that the bullet has so much momentum, so much energy to it, if it passes through the head a lot of that energy is dissipated out into the air as opposed to within the skull cavity and into the brain. >> because then it would bounce around and cause a lot more damage. >> yeah, you think about the brain sort of as a big fluid medium and gets in there and just sort of causes lots of swelling and lots of damage just because all that energy is sort of absorbed at that point. >> i have heard so many things about a bullet passing through a certain part of the brain that might be more detrimental or more, or have a more positive outcome for the patient so which part of the brain? >> well one of the things i'm going to spin the brain around here to show, people talk about the left side of the brain, for example, really controlling a lot of speech, you know, your ability to not only speak but your ability to receive any communication, that can be in