MS brain function problems are more of a common occurrance than you think.
Our brains are the master controllers for our entire body. When something, like Multiple Sclerois, causes scarring or damage to the brain, many things can be much more difficult for us to do on a daily basis or if the scarring is severe enough this can mean that our abilities to function are greatly reduced.
So much of what our bodies can do are so strongly affected by the scrambling or blocking of the nerve signals that the brain sends throughout the rest of the body that there can be a long list of the Multiple Sclerosis symptoms that can result.
Click on the link to read more -- MS brain