In the clinic, if you get a placibo effect and some one gets better, the outcome is to get better. So in the clinic, its actually not such a bad thing. You just need to understand it so you can use it. And we certainly do see some plisibo effect with that. But when we compare that against the stimulation condition, then we see a bigger effect. If you look up my name in simil university of arizona, you'll see a bunch of pictures of this kand o syphi looking helmet. That's priming people. They're like, all you putting this sthing on my head. Youre putting some non evasive energy