Past Life Regressionists use hypnosis to enable their clients to visit earlier lives. Some also offer the chance to visit lives yet to come. There are different theories about how past life regression works. In brief they fall into one of two possibilities.
The first theory is that the human creativity released by the hypnotic trance state enables the subject to conjure previous lives. In that way, they are said to be false memories the result purely of imagination.
However, all Regressionist record their sessions because their clients want to hear what went on. Also those recordings provide a record