[panagathon]

Your intuitions are on the mark.

https://link.springer.com/article/10.1007/s00213-017-4771-x

This study finds that:

> No patients sought conventional antidepressant treatment within 5 weeks of psilocybin. Reductions in depressive symptoms at 5 weeks were predicted by the quality of the acute psychedelic experience.

I think there's another out there with similar findings, that the stronger the mystical-type experience induced, the stronger the impact on the pathology. I haven't been able to dig it up though.