[0] https://news.ycombinator.com/item?id=14504306
Kenneth Colby, a Stanford professor, had something like this in the 1970's and 80's. According to the Wikipedia article [1] it was sold as a product. I remember reading a skeptical account of it in a popular book back then [2].
[1] https://en.wikipedia.org/wiki/Kenneth_Colby
[2] http://rdrosen.com/psychobabble-fast-talk-and-quick-cure-in-.... bah, link now broken