--though I'm sorry for what brings you here.

Yes, Sjogren's is a beast, and often the neurological effects are the worst part. We have a number of people on our Peripheral Neuropathy boards with the conditon (or who are suspected to have it):

http://neurotalk.psychcentral.com/forum20.html

Come on over there when you feel up to it--lots of empathy and good information (including how to handle doctors who've never heard of neruologicl complications with Sjogren's--hope you don't have any of those).