Wikipedia contributors. (2025, February 2). Killing of Brian Thompson. In Wikipedia, The Free Encyclopedia. Retrieved 01:26, February 3, 2025, from https://en.wikipedia.org/w/index.php?title=Killing_of_Brian_Thompson&oldid=1273511347
The difference between those states and the condition of the mind in REM sleep seems to be that the left hemisphere is almost totally disengaged in the latter experience such that memory of what was achieved in the altered states of consciousness cannot usually be retrieved by conscious desire because the left hemisphere has no knowledge of its existence or its location in the right hemisphere.