Thank you for that information. It was only two hours ago that I learned of TCMS and I was stymied by my lack of access to some of the journal articles.
Any suggestions for good keywords/starting points to use to look up TCMS in regards to UMN that might lead to information that isn't paywalled?
There is one case report. And because TD is so similar to Tourette's, it is instructive to note that 9 studies have been done. I think three found no effect (but one was stimulating in the wrong place at the wrong frequency) five showed effective benefit.
Apparently, 1 Hz is the frequency and Supplementary motor cortex is the location. This is part of the brain in front of the primary motor cortex next to the midline. Since there is little else available, and TMS is so safe, it may be a good thing to try. RB,MD