most familiar or important. In this drawing, the woman, baby stroller, path, and surrounding trees immediately grab our attention.
Because those objects form an understandable scene, the brain quickly decides what the picture represents.
Once that happens, smaller or less obvious patterns can easily be ignored.
The hidden face takes advantage of exactly that tendency.
Rather than appearing as a clearly defined person, the man’s features are created through combinations of branches, shadows, empty spaces, and other elements of the drawing.
Your brain sees those shapes but initially categorizes them
