The psychomanteum was popularized by Raymond Moody, originator of the term near-death experience, in his 1993 book, Reunions: Visionary Encounters with Departed Loved Ones.
A psychomanteum became widely recognized due to Raymond Moody's efforts, who initially defined the concept of near-death experience and presented it in his 1993 book, Reunions: Visionary Encounters with Departed Loved Ones.