It's a lot less invasive than that. They have different sizes of caps so it fits comfortably on her head. It also only lasts on average for about 30-60 minutes.

Btw, I'm not sure where you are located, but Dr. Jonathan Walker out of Texas is a leading expert in brain rehabilitation and does QEEG's. Here is a link to his website: http://www.neurotherapydallas.com/index.php. If nothing else, he could probably answer your questions and point you in the right direction.