It’s  the Great Right Brain vs Left Brain Test ... do you see the dancer turning clockwise or counter 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 counter 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. Courtesy of the BBC.