So, wait, are people normally actually seeing images, with their eyes, when they imagine what something looks like? Like, the brown-blackness of the back of your eyelids gets replaced with something you actually see, like it's projected there? I can imagine what something looks like, and I guess I sort of 'see' it, but closing my eyes doesn't make it any more real. It doesn't seem to involve the eyes or any part of t…
A disembodied mental image is located somewhere else in my head; a first-person one moves behind my eyes. It’s not like a projection in the sense that it would replace what I actually see, but like a secondary feed that overrides some processing in the same place just after the eyes.