The discovery of the dark matter of the brain and its light-infused neuromelanin was made possible by the work of the Canadian researchers L. Sue Hwang and Joydeep Bhattacharya (107). They also found that enhanced brain activity was correlated with experiences of altered states of consciousness, including near-death experiences, out-of-body experiences, and psychedelic states.
In the context of the dark matter of the brain, we might consider the progression of these waves from REM (dream), alpha, theta and delta waves as a journey through consciousness of increasing levels of density, precision, and integration.
This was the same process that Egyptian medical texts describe for the body. The soul travels to the afterlife as the light-filled body of the soul (107) and the light-filled body of the soul 827ec27edc