T-Rex: Close your eyes and picture it: it's a sunny day, but you're in the pleasant shade of a large tree. Are you seeing it right now?

T-Rex: Because if not, you may have aphantasia!

T-Rex: People with aphantasia don't SEE things when they imagine them. They can THINK of things, obviously, but summoning a lifelike image of something real or, uh, imaginary - it doesn't happen for them! And the most amazing part is that many don't even REALIZE they have aphantasia, because they've always assumed phrases like "picture it in your mind's eye" are purely metaphorical.

Utahraptor: What does it mean if you're aphantasical?
T-Rex: Nothing, really!

T-Rex: It doesn't really impact your life except when you find out you have it, and then you're like, "WAIT, OTHER PEOPLE CAN ACTUALLY SEE THINGS WHEN THEY CLOSE THEIR EYES AND WE ALL ACT LIKE THIS IS NORMAL??". Beyond that: s'all good.
Utahraptor: Not just with eyes closed. You can also imagine things with your eyes OPEN.

T-Rex: ...
T-Rex: What