Technically transcranial magnetic stimulation using frequencies of 4 or 7 Hz can induce spiritual awakenings so it’s not all bad.
In the latest episode of Once Bitten (562) I cover how theta neural oscillations are related to multiple altered states of consciousness including past life memory exploration, qigong style healing, and kundalini awakenings.
I also show how sensory deprivation is the scientifically legitimate origin of the baptism ritual as sensory deprivation induces theta neural oscillations.
This is what sarcophagi were used for in ancient Egypt.