1 Piet van Spijk. Die Medizin: Auf der Suche nach einem neuen Menschenbild. Schweiz Ärzteztg. 2018;99(10–20):633–4.
2 Orin Devinsky, Edward Feldman, Kelly Burrowes. Autoscopic
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3 Olaf Blanke. Stimulating Illusory Own-Body Perception. Nature. 2002;419:267–70.
4 Sam Parnia et al. AWARE-AWArness during Resuscitation –
A prospective study. Resuscitation. 2014.09.004.
5 Michael B. Sabom. Recollections of death: A medical investigation. New York: Simon&Schuster; 1982.
6 Kenneth Ring, Sharon Cooper. Near-death and out-of-body experiences in the blind: A study of apparent eyeless vision. Journal of Near-Death Studies. 1997;16(2)101–47.
7 Michael B. Sabom. Commentary on ‘Does Paranormal Perception Occur in Near-Death Experiences?’. JNDS. 2007(25)4:257–60.
8 Titus Rivas, Anny Dirven, Rudolf H. Smit. The Self Does Not Die. Verified Paranormal Phenomena from Near-Death Experiences. Durham: IANDS Publications; 2016.
9 Edward F. Kelly, Adam Crabtree, Emily Williams Kelly, Alan Gauld, Michael Grosso, Bruce Greyson. Irreducible Mind: Toward a Psychology for the 21st Century. Lanham-Boulder-New York-Toronto-Plymouth: Rowman & Littlefield Publishers; 2009.
10 Janice Miner Holden, Bruce Greyson, Debbie James et al. The Handbook of Near-Death Experiences: Thirty Years of Investigation. Santa Barbara: ABC-CLIO; 2009.
11 Eine gute Übersicht der Theorie Heims findet sich in: Lier Gerda, Das Unsterblichkeitsproblem. Grundannahmen und Voraussetzungen. Bd. 1, S. 196–214, 241–245. Göttingen 2012.