I have full body, but it cannot be linked to my scs(plural) I have none in my neck, where the last one was planted, but my back is a train wreck. I have it in my eyes, and experienced no trauma there. I also was dxed this week with peripheral neuropathy and small nerve fiber neuropathy. Basically, my entire nervous system has gone insane I guess. Nerve diseases are a bucket of fun. I will say this. My scs's keep my leg and arm pain very minimal and I'm hoping with some tweaking this week we can cover the back spread. I have two. Surely the leads have contacts that will hit some of it. I had suspected back spread for awhile. After all this time, we finally have confirmation.