Gamma knife? Topamax? DVM?

I am new to this site and wanted to know if anyone had tried gamma knife for gpn? And also how did they make out with it if they did? Also, I see a lot of different medicines that people are on and most of them I have tried with out any being effective. The only thing that we have found to take the edge out of the 'electrical shock' feelings that I endure is topamax but I don't see anyone, so far in my reading, that is on topamax. It is a horrible drug that really dulls my brain but unfortunately it is the only thing that seems to work. Anyone have any experience with topamax? Last question - after reading so much of the material available here I was excited that DVM might be something for me to try but after reading