At first look, opening further to answer
So the question is: which way to rotate the figure: clockwise or counter-clockwise?
Result.
They write: "... if you see that the figure is rotated clockwise, you logics, and if counterclockwise - you intuit».
if the picture is rotated clockwise, then you lead is the left hemisphere of the brain, and if counterclockwise - That's right.
Scientists have proved that if the two hemispheres of the leading (performs more functions) is the right hemisphere of the brain, then the person is dominated by the emotional sphere. If the left hemisphere is leading, then the human analytical mind prevails over emotion.