Guy Gardener wrote:
Telepaths don't use their ears. They listen with their minds. In all likelihood she should be so lazy about using her ears that she should have an accent similar to a deaf person.
That's a good point. One could argue that it wouldn't apply to Troi not being a full telepath, but I could see it with other Betezoids. Wasn't there an episode with some non-verbal telepaths that sounded like that?