Surwillo W. W., Hobson D. P. Brain electrical activity during prayer // Psychological reports. 1978. № 43 (1). P. 135–143.
167
. Murphy M. Meditation.
168
Lutz A. et al. Long-term meditators self-induce high-amplitude gamma synchrony during mental practice // Proceedings of the National Academy of science. 2004. № 101 (46). P. 16369–16373.
