I found this animation, which supposedly is able to test whether you are dominantly right or left brained.
I can’t find the research that supposedly backs up this claim. Could it be true?
I’m sure that the right/left division isnt as stereotypic as they claim. Wikipedia does claim some significant differences though.
I would additionally like to note that, scientifically speaking, that dancer is damn hot.
Can’t help you with this but just wanted to point out that the dancer goes clockwise for me and that the only way I can get her to go counter-clockwise is if I look peripherally. The second I look directly at it, it’s back to clockwise. I must be a freak.
I find a good way to switch one’s perception is to focus on a leg or an arm and think to yourself “Ok, if this was going clockwise, it would be coming out on the right and going in on the left/if this was going counterclockwise, it would be going in on the right and coming out on the left”, and then thinking of it that way.
Even more so, I find it particularly helpful to focus on the crossing of the legs, and think about which one is should be front and which one should be back. I can switch perception pretty much at the snap of a finger by doing this.
I figured out the same thing as you Indist. But still I can only switch to counter-clockwise if I really concentrate, and never more than 3/4 of a turn.
A dumb question: Does “clockwise” mean “in the same direction as the hands of a clock lying face-up on the floor”? Or is it “. . . a clock on the ceiling facing down”?
If it refers to the clock on the floor, then I see her turning clockwise. Which is odd, because I definitely do not think of myself as predominantly right-brained.
I’ve seen that illusion, and sometimes when I open it, she’s spinning clockwise, sometimes counter-clock. Right now, I looked at her, and she was going counter-clockwise. I looked at it earlier in the day, on two separate occasions, and she was spinning clockwise. I can’t imagine it’s anything more than a neat optical illusion. (Although, to be fair, I consider myself pretty much equally left and right-brained, so my perception would support the thesis, I suppose.)
edit: Well, clicked on her again, and she’s back to clockwise.
Always clockwise. The shadow on the floor makes it impossible (to me, at least) for the rotation to be anti-clockwise. Her lifted leg goes right to left in front of her.
Anti-clockwise at first, then after considerable effort, clockwise.
I kept getting distracted by her nipples.
Clockwise. How do you reconcile the shadow’s movement with anti-? Also, didn’t see any nipples. Jjimm, you sure you’re not projecting those?
I must be one-tracked.I thought,nice tits.
I can see it either way. If I look away, then back, it switches.
The shadow works both ways too - that’s part of the illusion.
She does so have nips. Perhaps your resolution ain’t great enough. 
Ok guys, lets GC it up before the mods move it to IMHO.
To me, she always starts out going clockwise, then I can change it back and forth, at will.
The shadow: If she’s going counterclockwise, it looks like she’s on a translucent surface, seen from slightly below.
It looks clockwise to me beause the way she rises up and down implies we’re looking down at her, which would be logical as we would be at her eye height, and therefore looking down at her.
That is logic, and not fantasy, and therefore it should be what they describe as left-brained, but they say opposite.
Conclusion - it’s all nonsense.
Only clockwise for moi.
Cartooniverse
Clockwise for me, and I’m strongly left-brained.
I’m usualy pretty good at seeing both sides of an illusion, but I cannot make her anything but clockwise (& hot). I almost wonder if there’s something else going on, either a glitch in some people’s understanding or perception of motion, or two versions of the animation.
If she is rotating clockwise, when her extended (right) leg is on the right side of the image it will be moving towards the viewer. And as time progresses you see less back & more front.
IF she was rotating COUNTER-clockwise, when her extended (right) leg is on the right side of the image it will be moving away from the viewer. And as time progresses you WOULD see MORE back & LESS front. Which is NOT what happens. (at least for me)
So for those who see counter/anticlockwise movement, what DO you see: Is the extended leg her right or her left? When you see it on the right side of the picture is it moving into the screen & away from you or out of the screen & towards you? During the time the extended leg is on the right side, do you see increasing front or increasing back side of the torso?
To GQ it up: Is the phenonmenon at all like Cecil’s article on hubcaps looking like they spin backwards?
I saw only clockwise at first until I covered her from the knees up and concentrated on making the feet go counter clockwise. Once they did the body followed although it would quickly go back to clockwise. After a day or two with it I was able to make it go either direction and stay that way. The shadows simply follow the dancer with no change in the viewing angle.