Actually, yes. [@GeliophobHyena] [@redbaron1234]
If you somehow were able to remove fear using a memory affection, it could cut Thomas completely off. 

As well as the conditioning is possible. But normally, Thomas refuses to expose anyone to his power (other than a calming effect) unless they are going against him or his authority figures. And when he does expose someone to it, it hits like a crater. He won't hold back.

[@Chronothesis]
So she basically can utilize a portion of her brain to slightly alter the laws of space and time? Nice