Are you use the left or right side of your brain?

[twesterm]

Look at this image. Do you see the dancer turning clockwise or counter clockwise?

 

 

 

 

If you see it spinning clockwise you apparently use your right side of the brain, if you see it spinning counter-clockwise you use your left side of your brain.

Source and explains the functions of the two sides of the brain.

-edit-
are you using, I hate not being able to edit thread titles.