Rotating Silhouette Illusion
At first I could only see this lady spinning clockwise. My friend Tina could only see her spinning counterclockwise. Finally we were both able to switch it in our minds.
If you see this lady turning clockwise you may be surprised to learn that she can be seen turning counterclockwise, as well. You might even see her switch direction, if you continue looking.
Some people see her turning both ways, but most people see her turning only one way.
The illusion explained (according to Wikipedia).
See if you can make her go one way and then the other. Both directions can be seen.
Some researchers believe that the two different sides, or hemispheres, of the brain are responsible for different manners of thinking. In this school of thought, if you see this lady turning clockwise, you are using your right brain. If you see her turning counter-clockwise, you are using your left brain. On the other hand, the belief in left- and right- brain differences to explain human intellectual and artistic differences is no longer supported in most scientific literature.
Image Source: unknown.
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