If you see this lady turning in a clockwise rotation,you are using the
right hemisphere of your brain.
If you see her turning counter-clockwise, you are using your left brain
Some people see both ways, but most people see her spinning only one way.
If you try and do see her spinning in the opposite direction, your IQ is above
160 which is almost genius.
Then see if you can make her spin one way and then the other.
Steven Novella, in "Neuorscience Comments" explains that you can see the
girl spinning both ways by switching the brain's current.
BOTH DIRECTIONS CAN BE SEEN.
If you don't see the girl spinning both ways, sign up free to
boomeryearbook.com, and learn how both directions can be seen.