The EEG is time consuming to apply all the leads (a couple hours), but not too uncomfortable. Taking them off is much faster and I didn't have much irritation afterward. Don't look in the mirror while they're on !! Quite unsightly. Might be an informative test for you with the aphasia.

Just about everything goes back to the Sjogren's. The only thing not directly connected is the APS. It is autoimmune in nature and a small percentage with Sjogren's have it, but I have not been able to find a direct link.