Can you see what this is?Taken from The Natural History of the Mind by Gordon Rattray Taylor (BCA, 1979)
Rattray Taylor claims, "I have shown this picture to scores of people, but have found no one who could see, without help, what it represented. Once they are told it shows a ... they usually have no further difficulty and then find it impossible to see the picture in the naïve way they did originally."
I was certainly one of those who couldn't work out what this is and it stands as a good example of visual indeterminacy, which occurs when we are presented with a vivid image that resists easy or immediate identification.
