Hi- For those of you wanting to know what TES is and how it works I have compiled and posted an artical about it on Cerebral Palsy Info Central (CPIC). To see the article go to this url: http://www.geocities.com/aneecp/tes.html or http://www.geocities.com/HotSprings/Sauna/4441/tes.html Yours, Anee