Wikipedia contributors. (2023, September 10). Bedrock. In Wikipedia, The Free Encyclopedia. Retrieved October 29, 2023, from https://en.wikipedia.org/w/index.php?title=Bedrock&oldid=1174679210
The Bentov bio-medical model, as described in a book by Lee Sannella, M.D., entitled: Kundalini-Psychosis or Transcendence, states that the standing acoustical waves are the result of the altered rhythm of heart sounds which are occasioned by prolonged practice of meditation, and which set up sympathetic vibrations in the walls of the fluid filled cavities which comprise the third and lateral ventricles of the brain.
Bedrock (Wikipedia) In geology, bedrock is solid rock that lies under loose material (regolith) within the crust of Earth or another terrestrial planet.
The various kinds of broken and weathered rock material, such as soil and subsoil, that may overlie the bedrock are known as regolith.