Look up aphantasia on https://en.wikipedia.org/wiki/Aphantasia https://en.wikipedia.org/wiki/Aphantasia they have a sidebar describing the spectrum of the abili

Look up aphantasia on https://en.wikipedia.org/wiki/Aphantasia https://en.wikipedia.org/wiki/Aphantasia they have a sidebar describing the spectrum of the ability to visualize images. The highest level is considered photographic. The other side is the inability to visualize anything.