The established self test for the spectrum of phantasia (ability to visualize with your "mind's eye") is to describe how well you can picture an apple. - Hyperphantasia (1) is indistinguishable from reality. - Aphantasia (5) is an inability to picture anything at all.
125
195
1K
295K
426
Download Image
Some individuals who experience hyperphantasia or near it report being able to superimpose their visualizations over their perception of sight, akin to what is demonstrated in the Iron Man films.