Some people can't see mental images

>Aphantasics might skip over descriptive passages in books—since description aroused no images in their minds, they found it dull—or, because of such passages, avoid fiction altogether. Some aphantasics found the movie versions of novels more compelling, since these supplied the pictures that they were unable to imagine. Of course, for people who did have imagery, seeing a book character in a movie was often unsettling—because they already had a sharp mental image of the character which didn’t look like the actor, or because their image was vague but just particular enough that the actor looked wrong, or because their image was barely there at all and the physical solidity of the actor conflicted with that amorphousness.

I definitely have aphantasia, but this description really didn't connect with me. I don't have a mental image of something, I have the vague sense of knowing what that thing looks like. I read both fiction and non-fiction fervently. I frequently am annoyed at film adaptation, since they conflict with what (I have a vague sense of knowing) the character looked like.

However:

>Some aphantasics found the movie versions of novels more compelling, since these supplied the pictures that they were unable to imagine.

I do find that, once I've seen a movie or show adaptation, that portrayal becomes much more compelling in the mind than the book. The quintessential example for me is the snake exhibit's glass in the first Harry Potter book/movie.

These passages about reading were interesting to me as well, particularly the preceding one:

    > Naturally, aphantasics usually had a very different experience of reading. Like most people, as they became absorbed, they stopped noticing the visual qualities of the words on the page, and, because their eyes were fully employed in reading, they also stopped noticing the visual world around them. But, because the words prompted no mental images, it was almost as if reading bypassed the visual world altogether and tunnelled directly into their minds.

I do not have aphantasia, but I'm not seeing mental images when I'm reading unless I'm not "in the zone" and consciously choose to do so. Good fiction especially is more direct-to-memory.