It was originally called the Mathison Product B Electropsychometer and was promoted being an aid to psychotherapy and chiropractic.*  Having said that, the name over the patent application for the 1st e-meter was that of L. Ron Hubbard (1911-1986), author of Dianetics and founder of Scientology, which credits Hubbard with https://clo56317.shoutmyblog.com/3803476/the-ultimate-guide-to-e-meter