[stef25]

About the selection protocol - it sounds like at least some of the participants in the study were in to yoga before the experiment. Those kinds of people usually already have a spiritual streak or will at least be more open to it.

It would be interesting to see this experiment repeated with more "mainstream" subjects or something like 30 Wall St bankers.

[pyrhho]

Apparently Herman Kahn spent his LSD trip finding the best way to bomb China. So there might be something to be said for the theory that it "intensifies" your existing personality/interests.