Well, why shouldn't they?
It's not like our mind is somehow seperated from our physical brains, like if we had a "soul" or something, that was our mind which had nothing to do with our physical body...
Well, you don't need to think, you can watch the video. But I guess you did, and anyways, you concluded they were real...
In fact, this technology has been available for one or two years I think, and even longer at the insane price used in hospitals... I wonder why I hadn't read anything about it before it was posted on a video blog.