Are you a left brainer or right brainer? Try to look at the picture below:

So, is the girl turning clockwise or anti-clockwise?

If you think it's turning clockwise, then you use your right brain most. On the other hand, if you see it's turning anti-clockwise, then you are a left brainer. Then, try to change it. (if you can)

At first, I got it anti-clockwise, was able to change to clockwise, but not able to change to anti back. Haha.

What's the difference? Read more about it here.

*correction: I've made the changes, it's supposed to be the other way. Clockwise:Right brain, Anticlockwise:Left brain.