I ask because this research suggests that ergot and LSD allow people to see “magnet light” which includes the human aura.

Evidence suggests that the Eleusinian mysteries included consumption of LSD beer followed by experiences in the Telesterion at night which would have been very dark just like that 1998 study.

In my profile, Paradigm Drift 6 covers this but I do a deeper dive in Once Bitten 562.