The tests use to diagnose it are sketchy, becuase they can also diagnose diabetes
, and a few other things as well, and must be very carefully interpreted by using a large panel of lab work. Also, does she startle at loud noises and does this cause her to have muscle contractions?
Check out this link I found, it is VERY descriptive, the best one I could find so far, if I find any other's I'll post them for you too. Let me know what you think, ok?