The Right Brain vs Left Brain test … do you see the dancer turning clockwise or anti-clockwise?
The freaky part is when she changes on you. I couldn’t see her moving any way but clockwise for the longest time, then I noticed if I focus on the shadow of her foot I can make her spin the other way.
Seems to me it has more to do with dominant eye than dominant hemisphere though!
Nice rack !! Don’t know what that says about my brain 
Ya, I just can’t help staring at her tits.
But she goes clockwise for me.
What does it mean if it switches every few seconds?
Clockwise for me, but then I’m a leftie and it’s said that lefthanders are governed by the right brain.
Both. Clockwise initially.
I did see a program sometime ago that said such a test is used for detecting potential bipolar disorder. People who get stuck in one side of their brain are more prone to being bipolar.
After a little practice I can choose which way I want to view her turning.
I asked my four year old which way she was turning and he said, “this way…and this way.” I aske him to turn the same way and he went clock wise, but said that the lady kept changing. She changed for me, too, immediatly. She was innitially counter clockwise, but then switched right away. I found I could change her direction intentionally by blinking slowly. Then by just practicing with my eyes open.
I didn’t, however, notice how big her rack was.
we were just talking about the same thing … a year ago. and last week i threw the bookmark away, and i can’t remember the name of the test. cute.
How is she turning clockwise? I thought this was going to be BS until I saw other people say they see her turning clockwise. Are my clocks broken?
Never mind. There she goes.
Clockwise for me at first, but I can make her go either direction. What the hell does that mean? THey don’t seem to have a rule for that.
Try looking at the picture through just the left side of your eyes’ field of view (look past the right side of the screen and don’t worry about keeping her in focus, just be aware of her in the periphery of your vision).
The image will then be processed by the left side of the brain, and she will be more likely to turn clockwise. Then shift across to the other side of your screen, and have her in the right side, and she will turn the other way.
The two eyes send half of their info to both sides of the brain, left field to the left and right to the right, where the left and right eye info is combined. This obviously helps in stereo vision, and also helps to overcome defects in one or the other visual fields (like from a dead spot in the retina, or from the well-known blind spot over the optic disk). the reason for why you see that particular spinning direction in each side of the brain is nonetheless a mystery to me.
one guy who specialises in this mystery is John Pettigrew from Uni of Queensland. He has long been interested in brain visual pathways and has done lots of research into this phenomenon. one tiny article in Scientific American bears reading.
http://www.psych.ufl.edu/~white/SciAm.htm
"And among all the 20 volunteers tested, a good belly laugh either obliterated the binocular rivalry phenomenon altogether–so that subjects saw a crosshatch of both bars and stripes–or significantly reduced whatever natural bias the individuals showed toward one of the two forms, for up to half an hour.
The result seems to support, though hardly prove, Pettigrew’s theory that when the brain is faced with conflicting or ambiguous scenes, the left hemisphere constructs one interpretation, the right hemisphere forms another, and an “interhemispheric switch” waffles between the two. Laughter, he speculates, either short-circuits the switch or toggles it so fast that we see both interpretations at once. “It rebalances the brain,” Pettigrew says, “and literally creates a new state of mind.”
Pettigrew, who has bipolar disorder, found that his own brain took 10 times longer than normal to switch between bars and stripes, an anomaly borne out by studies on his bipolar patients. A clinical trial is gearing up in Australia to test whether this may offer the first simple physical diagnostic for manic depression. Meanwhile Keith D. White of the University of Florida has discovered that many schizophrenics have distinctly abnormal binocular rivalry. “It is much too early to say whether this might serve as a diagnostic test,” White cautions. “But I wonder whether this isn’t the only perceptual difference that we can measure in schizophrenia.” "
I found that illusion that I mentioned previously: the Bonneh illusion. stare at a fixed point (one of the yellow dots) and the others may disappear. additionally, the direction of rotation of the blue dots will switch from side to side, and the speed of switching is reelated to your mental condition.
http://www.uq.edu.au/nuq/jack/bonneh.html
