Charles doesn't flinch away from her hand. Despite her abilities, the burning sensation stops just before it gets to his legs. An interesting mutation...he wishes the situation wasn't so dire, he could have a chance to talk to her about it.
The moment Stryker says field test, Xavier realizes exactly what he could use Cerebro for. And that shakes even what infinite calm the Professor has in him. He's only just able to keep his emotions in check, keeping himself from trying to jerk himself out of this chair and going for Stryker himself....with no telepathy and no legs, he wouldn't get far. He glares at Stryker but his quiet words are for Riata. "You had better kill me and get it over with." The information to Cerebro would die with him and Stryker would never get what he wants. Right now it seemed like the only option he had left.