[20] Täpsemalt vt: Persinger1983; sama ülesannet täidab Persingeri enese eksperimentaalne töö (vt nt: Persinger, M. A. Experimental Simulation of the God Experience: implications for religious beliefs and the future of the human species. - Neurotheology. Edited by Rhawn Joseph. San Jose, California University Press, 2003. Pp 279-292.).