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What kind of brain do you have?
What kind of brain do you have?
You may have seen this before - I find it fascinating. I can only see the dancer going clockwise. Can anyone see different?
What kind of brain do you have?
What kind of brain do you have?
It is the still and silent sea that drowns a man. -- Old Norse Proverb
I'm not entirely convinced it is a fair test. If you look at the dancers foot, it appears to change size to imply that the foot is coming towards you on the right of the picture as you face it. Or is that just my brain?
However, if you look at the bottom of the page, keeping the picture in your peripheral vision, tell yourself it is going the other way, lo and behold it does!
However, if you look at the bottom of the page, keeping the picture in your peripheral vision, tell yourself it is going the other way, lo and behold it does!
I covered up each of my eyes in turn and found that by focussing on the foot and mentally trying to imagine it going in the opposite direction I could make it do so even with just one eye.Alan C. wrote:Try as I might, I can't see the dancer going anti clockwise, do you need 20-20 vision? I'm blind in one eye.
I was afraid somebody was going to say that, it must just be my tiny brain thenMaria wrote:I covered up each of my eyes in turn and found that by focussing on the foot and mentally trying to imagine it going in the opposite direction I could make it do so even with just one eye.Alan C. wrote:Try as I might, I can't see the dancer going anti clockwise, do you need 20-20 vision? I'm blind in one eye.
Abstinence Makes the Church Grow Fondlers.
- Oxfordrocks
- Posts: 674
- Joined: September 10th, 2007, 9:45 am
Fascinating! I just showed this to my children (having initially only seen it clockwise) with the instruction to state direction and keep looking at it. A few seconds later: "ooh! it's changed direction". For us all at different times, even when we all watched together.
Analogous I think to the old woman/young woman drawings and the "magic eye" pictures.
Our brains are such wonderful things...
Analogous I think to the old woman/young woman drawings and the "magic eye" pictures.
Our brains are such wonderful things...
After much frustration I discovered the only way I can see magic eye pictures is to focus on any point and defocus on the surroundings - as you do when you are trying to read something at less than your optimal focus range. If nothing happens, keep focussing on your target and very slowly move the picture away from you.
Will it work for you, Nick? Let us know...
Will it work for you, Nick? Let us know...
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- Posts: 8
- Joined: October 31st, 2007, 1:28 pm
Cool trick. And it's not like the animation changes (as one poster claimed); I have been able to "change" her apparent direction of rotation several times in a row, almost on demand. (Indeed, the trick is to concentrate on the dancer's stationary leg.)
Anyway, the animation looks more "natural" to me when she seems to be rotating clockwise; this is also what the picture looked like when I first looked at it, before I figured out how to "change" it. And I see myself as more logical and analytical ("left-brain dominant"). Go figure.
Mike Rosoft
Anyway, the animation looks more "natural" to me when she seems to be rotating clockwise; this is also what the picture looked like when I first looked at it, before I figured out how to "change" it. And I see myself as more logical and analytical ("left-brain dominant"). Go figure.
Mike Rosoft
Hmmm. Further thoughts. When I look directly at the image it/she appears to be moving clock-wise. When I look away, the direction appears reversed. Is there any influence from the image itself. For example, the head is tilted. Are we subconsciously making a judgement about which way the head is likely to be tilted when performing this action? Likewise, the arms are different. Waddya think?
Sounds plausible, Nick.
As for Magic Eye, I tried for months to get into one that had been stuck up on the wall at home but failed. Then one day in a shop I saw a framed one with a sheet of glass in front of it and I managed it in an instant. I got a sheet of glass and held it up in front of the one at home and the same thing happened. I then got totally addicted and bought books full of them. In no time I learned to manage without the glass. When I went to other homes, I even found myself staring at people's patterned wallpaper and half expecting an image to appear.
Just for old times sake:
[img]http://www.bartlesville.lib.ok.us/blog/ ... 792630.jpg[/img]
As for Magic Eye, I tried for months to get into one that had been stuck up on the wall at home but failed. Then one day in a shop I saw a framed one with a sheet of glass in front of it and I managed it in an instant. I got a sheet of glass and held it up in front of the one at home and the same thing happened. I then got totally addicted and bought books full of them. In no time I learned to manage without the glass. When I went to other homes, I even found myself staring at people's patterned wallpaper and half expecting an image to appear.
Just for old times sake:
[img]http://www.bartlesville.lib.ok.us/blog/ ... 792630.jpg[/img]