I don't know..

Perhaps there's a distinction between people with that temperament and who think the way to get at the larger reality by drilling into the perceptible world vs. those who think they can get at the larger reality by getting away from the perceptible world.

I don't have any clear ideas on how beliefs, personality and 'schizophrenic events' would influence one another, but I would only comment that the feelings of unreality are something my brain does to me and after the effects, I can interpret the experience through the filter of my personality and beliefs. Perhaps this is because they are rare, and more of an exceptional than normal experience. Perhaps people sitting in a somewhat schizophrenic state* all the time are the intuitive personality type.

* This would be relative to my baseline experience, it might be an entirely healthy mental state for them in which case my labeling is misleading. For my set of experiences, it does not seem like it would be mentally stable/healthy if they were to last for any extended period.