Earlier quoted context omitted.
I do, but I haven't practised the skill much lately so it's not as vivid as it used to be. It's more like a second virtual desktop than superimposed; it takes up the same coordinates, but there's a clear distinction between "real" and "imagined" objects (unless I'm particularly tired, but that's closer to "hallucinating" than "visualising"). I used to be able to visualise things in positions relative to real objects,…
That's blowing my mind right now. First I thought people who can visualize to the point of actually seeing what they visualize were pretty rare. For me what I visualize takes place in a mental space: it's a clear mental image, not a literal visual image. Have you always been able to do this, because you mention practising this skill? Also, does this only happen after focussing on something, or does it happen spontane…
The only time I've ever experienced anything like that I was trying psychedelic mushrooms for the one (and so far, only) time, and so it was literally a hallucination.