
PetaPixel has an article about where people direct their attention when looking at images. It turns out that canards such as lighter areas at the edge being a distraction and leading the eye through the image might not be valid. I must admit it is something about which I have wondered, but have never previously seen any research. At the time of writing, the Nature website with the full article is down for maintenance, but I will be taking a look when it is available.
https://petapixel.com/2017/09/27/eyes-d ... ngs-stick/