What's the Difference Between Monthra Meditation and Something Like Theths?

There is scientific evidence that monthra meditation is different. But i have never seen a study that compares one kind of munthra to another. You just do it for a while and you'll understand, right? Cause it's subjec ive. It's experiential. Colmang fo, to doin ok, cool. Open minde yo. Ned to know how.