Elsewhere in the comments, a person suggests this exact test as a way of telling whether someone is aphantasic or not (https://news.ycombinator.com/item?id=1880

Elsewhere in the comments, a person suggests this exact test as a way of telling whether someone is aphantasic or not (https://news.ycombinator.com/item?id=18805666 https://news.ycombinator.com/item?id=18805666). I also remain unconvinced since I seem to construct details such as these automatically. In other words, I do believe I see the colour of the shirt even before the question is asked (though not always).