This image is the image used by the Psychological,
Its function is to find out how your stress level. If the image is seen moving your eyes, it's a sign you're stressed. The faster the motion picture, the higher your stress level. Perhaps you think this is a GIF image that could move, if you do not believe, try to print out this picture, to prove that this is not a moving picture. Then see the pictures on the results Print out,
if it keeps moving .. then you are experiencing stress. Stay with Enough
We can also force this image to make it look not move, how full concentration. If you can not concentrate stop the movement, it means that your stress is very high, or your mind was in a very severe shock