Board Thread:Questions and Answers/@comment-24098614-20161028233850/@comment-121.54.90.210-20170127224904

Yes she could, she just doesn't want to because her past with him. The telepath in volume 6 failed to do contact Touma because her method was creating an invsible wire through the air connecting it to her target. much to her luck, Touma's Imagine Breaker accidentally passes through the wire and negating it. You can read all this in the Telepath article.

Misaki on the other hand has direct control over the fluids in a person's brain, giving her virtually no such limitations to that of the telepath girl. Touma still negate her powers however by simply touching his righ t  hand on his head.