I am reading the new book by Rev. Cynthia Bourgeault called “The Heart of Centering Prayer.” In it, she attempts to bridge the concepts of non dual “objectless awareness” (p.7) between Eastern and Western religions. In quick summary, she categorizes the highest consciousness as the ability to “see oneness because you see from oneness.” This seeing is the result of consciousness that has been reorganized along new neurobiological pathways whether you are a “ Buddhist approaching Sunyata or a Christian apprehending the mystical union of all things in Christ.” (p.50) Centering prayer and other meditative techniques show measurable changes in the brain and allow a new focus between the faiths on common elements of the mystical experience beyond theological descriptions..
Pretty exciting ! Please read the book and see the website Heart Math for some compelling science. I also recommend the meditations (more like short treatises) written by Richard Rohr, Cynthia Bourgeault and James Finley coming out of the Center for Action & Contemplation.