> He attributes [his severely deficient autobiographical memory] to his inability to form mental images. Although he recognizes familiar things when he sees them, he cannot call up images of them afterward in his head: he cannot visualize even so simple an image as a flag; he cannot, when he is away, recall his wife’s face. (This condition is rare but not unheard of; it has been proposed that it is more common in people who think in abstractions.)
That article was from 2011, before the term aphantasia was coined in 2015[2] and (arguably) popularized in 2016[3]. Most folks also assume that everyone uses their visual cortex to process memories while that idea sounds absolutely implausible to some relatively small percentage of the population.
[1] https://news.ycombinator.com/item?id=22037240
[2] https://www.sciencedirect.com/science/article/pii/S001094521...
[3] https://www.facebook.com/notes/blake-ross/aphantasia-how-it-...