PMH Atwater is one of the original researchers in the field of near-death studies, having begun her work in 1978. Today her contribution to the field is considered one of the best. Some of her findings have been verified in clinical studies, among them the prospective study conducted in Holland and published in Lancet medical journal, 12-15-01. Her The Big Book of Near-Death Experiences covers the field globally, and is the only encyclopedia of the entire phenomenon. It was featured in an online version of Newsweek Magazine.
Dr. Atwater was presented the Outstanding Service Award in 2005 from the International Association for Near-Death Studies (IANDS), and the Lifetime Achievement Award from the National Association of Transpersonal Hypnotherapists (NATH). In 2009, she was given the Nancy E. Bush award for Literary Excellence and the Lifetime Achievement and Special Services Award, both from IANDS. She is an international speaker and has been a guest on numerous television shows including Geraldo, Regis and Kathie Lee, Larry King Live, Sally Jessy Raphael, and Entertainment Tonight. Her books have been translated into over 12 languages.