This is an old revision of the document!
pictures from the bitwix workshop
https://youtu.be/3mdYUmvTeig?t=1163}youtube > Stan Grof — Lessons from ~4,500 LSD Sessions and Beyond
Stan Grof was EEGed with strobes and lds back in 1956
https://en.wikipedia.org/wiki/Electroencephalography
verneetch