How does your brain work today?
How does the brain function is still one of most intriguing unresolved mysteries of science. Here is one practical test that will show you just how amazing and hard it is to evaluate how does the brain work.
You need to look at the animation and tell if you see the dancer turning clockwise or anti-clockwise. You may think that it is clear that is is turning only way way. It turns out that different people have different perception of what is really happening. If you see it turn clockwise, then you use more of the right side of the brain and vice versa.
You can also try to concentrate and try to turn the dancer other way around just by using your brain!

LEFT BRAIN FUNCTIONS
uses logic
detail oriented
facts rule
words and language
present and past
math and science
can comprehend
knowing
acknowledges
order/pattern perception
knows object name
reality based
forms strategies
practical
safe
RIGHT BRAIN FUNCTIONS
uses feeling
“big picture” oriented
imagination rules
symbols and images
present and future
philosophy & religion
can “get it” (i.e. meaning)
believes
appreciates
spatial perception
knows object function
fantasy based
presents possibilities
impetuous
risk taking
Original article here
Wow, incredible. It turns around differently for me and my wife :)
I have been reading quite a bit about the brain lately, to improve my mathematical thinking abilities. I have been trying to think more orderly, as in using the left side of my brain while studyin, looking at the spinning lady to see if this is workin. The problem being that the more I learned about the brain, the more the lady never made a whole revolution, as in she never turns to a whole 360, but she spins from left to right and vice versa, never to make a whole revolution! I can not understand exactly what this means, it might mean that my brain is as left sided as right sided, but through text this is not really possible. A reading reference, or a suggestion would be very very helpful, as to what this means.
Thank you so much for your time
Best Regards,
Chris
I have posted this as a curiosity and I could not have an answer for your question Chris.
I can only say ways of the brain are too mysterious even for modern science ;)
I believe it is related to the shadow at the base.
How I can relate it is like this… Imagine that you are standing directly across from her.
There is a tip of a foot shadow that comes in and out of focus.
There are 2 possible positions you can see it as a reflection.
x <– shadow/reflection
her
you
= Clockwise
Alternatively
her
x <– shadow/reflection
you
= Counter-Clockwise
Plus the tilt of the body is backward which logically makes you think that she is shifted backwards indicating a supposition that you can’t lean backwards yet propel that part of your body forward which fights the idea that it is counter-clockwise initially especially if you factor in the arm behind the body. After you start to notice the shadow then you can for the opposite turn because you factor in the shadow. It’s trickery! But fun trickery :D
Most of the time she spins clockwise to me. Very rarely can I see here spin anticlockwise. I think it has something to do with my current mood as well.
By concentrating on the hand that seems lower I can change the direction of the spin, nearly at will. Seems to be harder to keep it moving anti-clockwise.