My mental imagery can be very powerful to the point where if I am very tired I can actually physically see the things I’m thinking about if I close my eyes, like some sort of hallucination.
When I was in very poor mental health I would get these “visions” which I believe is like intrusive imagery or some weird kind of dissociation in which I’d be sucked into these intense mental scenes and get bad headaches if I tried to focus on reality instead.
I have a pretty strong visual imagination as well. I can also imagine sounds, textures, tastes and smells. I’ve had hallucinations in all five spheres.