Can you see a baby?
Another great example of an illusory contour!
Another great example of an illusory contour!
It seems normal but now, look at it upright: Lincoln’s eyes do not look quite right!
There are not gray dots in this grid. However “ghostlike” gray blobs are perceived at the intersections of the white lines.
The two horizontal lines are of the same length, even though the one at the bottom seems longer.
This picture is an impossible picture that also contains some subjective contours.
Did you see a fish of a different color in the bowl?
The horizontal lines are straight, even though they do not seem straight.
The smaller squares inside the blue and yellow squares are all the same color.