Comment on Sara L's post

I was also interested in the discussion of Mona Lisa, and I thought it was a brilliant way of illustrating Livingstone's points about periphery vision and fovea vision. It was fascinating to read about how the eye takes in bits of a painting at a time, and this exercise demonstrated that concept. Sometimes I notice this when I have my head leaning on my hands and my hand makes momentary contact with my eyelid. You can feel the eye moving quickly and frequently. I think it is surprising how jerky these movements are because our vision does not that jerky feeling. Any eye movements look smooth and fluid from the perspective of the eye. I wonder why exactly that is.