I saw this clip on YouTube and it fascinates me on how our brain works at times.

I googled on this dancer and here is what they have to say :

If you see this lady turning clockwise, you are using your right brain. If you see it the other way, you are using your left brain. Some people do see both ways, but most people see it only one way.

If you try to see it the other way and you do see, your IQ is above 160, which is almost a genius. Then see if you can make her go one way and then the other by shifting the brain's current.

Both directions can be seen!
This was proved at Yale University over a 5 year study on the human brain and its functions. Only 14% of the US population can see her move both ways.

The Right Brain vs Left Brain test ... do you see the dancer turning clockwise or anti-clockwise?

If clockwise, then you use more of the right side of the brain and vice versa.Most of us would see the dancer turning anti-clockwise though you can try to focus and change the direction; see if you can do it.

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

The best part is, I can have her spinning left and right whenever I want. That only proves one thing "I am a genious!"

So under the circumstances, I make no apologies for the fact that I am smarter than you. The ultimate truths always take a bit longer than ordinary truths, after all.