What happens to Tris during Lauren's fear landscape?

Lauren tells them that a normal person will have between ten and fifteen fears. The lowest number someone has gotten in recent years is four -Tobias, obviously. Each initiate faces one of Lauren's fears, and Tris gets kidnapping. It's too much for her to handle, and she screams and screams until they stop the simulation, as Lauren's fear of kidnapping has become one of her own.