AFAIK psychedelics cause the brain to become more interconnected for the duration of their effect, which can activate parts that aren't normally active. What we don't know is exactly what parts can just be activated in this way to trigger schizophrenia (or other disorders), and how to detect how much at risk someone may be.
While there is evidence to support some of what you're saying, the physical mechanism backing the causal relationship between psychedelic use and psychological disorders is far more complicated and nowhere near as well understood as you seem to believe. Heck, the physical mechanism behind nearly all psychological disorders in isolation remains poorly understood, let alone their interaction with any particular psychedelic.
> the physical mechanism behind nearly all psychological disorders in isolation remains poorly understood, let alone their interaction with any particular psychedelic.
That's what I'm saying, though. There's no way to know how susceptible one is to a particular disorder in general, let alone while on psychedelics.
There is evidence of psychedelic use connecting parts of the brain that aren't normally connected, AFAIK the white matter becomes much more interconnected during a psychedelic trip.
