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    You won't believe it.. but it is true :)

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    • T Offline
      tomasz
      last edited by

      Jeff, thanks for the link.

      The original direction stored in GIF is left (counterclockwise).
      In order to achieve right direction a brain has to be creative.

      I don't think the shadow is a key to switching directions... at least it doesn't work for me.
      Neither tricks with a mouse.
      The figure is asymmetrical..
      A brain has to play the frames in opposite direction...? then... if should always start first spin in a stored - left direction.. but it doesn't!
      Is it just a trick of a mind? I haven't found an explanation on the company website...

      Author of [Thea Render for SketchUp](http://www.thearender.com/sketchup)

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      • pilouP Offline
        pilou
        last edited by

        Only Right ๐Ÿ’š
        Edit : Left now ๐Ÿ˜ฎ

        I use the mousewheel updown quickly then release!
        Terrific effect! ๐Ÿ˜ฒ If it's not a fake, our brain is a true liar ๐Ÿ’š

        Frenchy Pilou
        Is beautiful that please without concept!
        My Little site :)

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        • MALAISEM Offline
          MALAISE
          last edited by

          You're experiencing how our brain "works" ( As far as It's a part of ourself!) New cognition science branch:
          how to explore conscience and explain magical illusions.... ๐Ÿ‘

          MALAISE

          La Connaissance n'a de valeur que partagรฉe

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          • N Offline
            notareal
            last edited by

            Funny, first look do gives me clock wise rotation, but just a brief concentration to the image turns rotation to counter clock wise and the if I turn my concentration to the text the animation starts running with clock wise rotation again. This is a keeper, thanks.

            Welcome to try [Thea Render](http://www.thearender.com/), Thea support | [kerkythea.net](http://www.kerkythea.net/) -team member

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            • F Offline
              FenS
              last edited by

              What lady? I only see a Rorschach-butterfly ๐Ÿ˜„

              Really like this one and the same for me, the direction of spinning changes when I am looking at the lady or when I am reading the text below her.

              Quรฉ sais je? there is still so much to be learned...

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              • S Offline
                sintra
                last edited by

                Hi Tomasz,

                Really cool post very interesting and addictive.

                At first i saw it anti clockwise, i looked away then all i see is her going clockwise and its been like that since arghhhhh ๐Ÿ˜† ๐Ÿ˜†

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                • B Offline
                  BTM
                  last edited by

                  I can see it either way if I want to. I even tried to see if I could get it to do half turns and reverse, So it looks like it's facing away, then does a half turn and faces you, then another half turn the other direction, and faces you again, as if it had never changed. and it worked. Creepy... ๐Ÿ˜ฒ

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                  • AnssiA Offline
                    Anssi
                    last edited by

                    This demonstrates our utter failure to see it as a 2D shape. I got this illusion even in the real world when I sat waiting for a plane. On the opposite side of the runway a radar antenna was spinning, silhouetted against the sky. It was quite easy to make it "shift direction".

                    Anssi

                    securi adversus homines, securi adversus deos rem difficillimam adsecuti sunt, ut illis ne voto quidem opus esset

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                    • S Offline
                      sorgesu
                      last edited by

                      This is wild. I can actually take note of the second she changes direction. There is hiccup. A suspended moment when she seems to pause and then she changes direction.
                      When I first looked at her, she was consistently going counter clockwise. After a while she suddenly changed direction and I couldn't force the counter clockwise again. Until I started reading the text and then she reversed. It seems that when I first looked at her, I was 'analyzing' the situation. Then when I understood the situation, I automatically switched to right brain mode. Once I read, I was back into left brain. If I looked up at her again, she would switch and go clockwise. Wow.

                      Susan Sorger
                      Former Seller Hand Rendered Entourage
                      Former Canadian Authorized Training Centre, SketchUp

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                      • pilouP Offline
                        pilou
                        last edited by

                        It's not a default of the "Windows viewer" or a default of the "Navigator viewer"? ๐Ÿ˜‰

                        Frenchy Pilou
                        Is beautiful that please without concept!
                        My Little site :)

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                        • pbacotP Offline
                          pbacot
                          last edited by

                          her posture is for a clockwise direction. Is that part of the visual cues your left brain is using? Dancers commonly lead with their head and outstretched hand.

                          So far I can see the other direction with it upside down but it goes back to clockwise when I turn it at all back towards right side up.

                          EDIT: I had it all wrong. When you see her go either way it looks like the same posture. Once I saw her going counterclockwise, I couldn't go back it seems.

                          MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                          • A Offline
                            Aidus
                            last edited by

                            She is not rotating at all. Just wobling from one side to other. It's hard to see but so it is.

                            CPU: Intel Core i7 Extreme Edition 965
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                            • pilouP Offline
                              pilou
                              last edited by

                              Another method ๐Ÿ˜„
                              Blink your eyes and turn your head in the wishing turn wanted ๐Ÿ˜‰

                              Frenchy Pilou
                              Is beautiful that please without concept!
                              My Little site :)

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                              • T Offline
                                tomot
                                last edited by

                                I just caught a glimpse, just before she was sliding down the pole.
                                (I gotta get that checked out soon!)

                                [my plugins](http://thingsvirtual.blogspot.ca/)
                                tomot

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                                • S Offline
                                  sorgesu
                                  last edited by

                                  okay, I checked this out and it is totally debunked here: http://scienceline.org/2007/10/29/ask-hsu-spinning-girl-right-left-brain-hemispheres/

                                  It really has nothing at all to do with left brain/right brain perceptions at all.

                                  Anssi was completely right. It is about forcing a 3D understanding onto something that is 2D.

                                  Susan Sorger
                                  Former Seller Hand Rendered Entourage
                                  Former Canadian Authorized Training Centre, SketchUp

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                                  • T Offline
                                    tomasz
                                    last edited by

                                    @sorgesu said:

                                    okay, I checked this out and it is totally debunked here

                                    They are writing that associating left or right hemisphere of a brain with a certain activities is just a theory, which is not really true, but the fact that some people cannot see it spinning clockwise proves that it has to do something with imagination... just see the image I have prepared for you:

                                    BrainRot.jpg
                                    I think that image can help those with 'one direction only' find a way to switch. Why? Take a closer look at each individual frame. I can easily see all those intermediate frames between those when the position of the lady IS certain, as a lady facing me or showing her back ๐Ÿ˜„!

                                    Our imagination decides if we see the front or the back because the silhouette doesn't define it exactly.

                                    Tomasz

                                    Author of [Thea Render for SketchUp](http://www.thearender.com/sketchup)

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                                    • S Offline
                                      sorgesu
                                      last edited by

                                      so maybe you intended to mirror one of the pictures? They appear the same to me.

                                      Susan Sorger
                                      Former Seller Hand Rendered Entourage
                                      Former Canadian Authorized Training Centre, SketchUp

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                                      • jeff hammondJ Offline
                                        jeff hammond
                                        last edited by

                                        @sorgesu said:

                                        so maybe you intended to mirror one of the pictures? They appear the same to me.

                                        me?
                                        they're fully different .. i edited that post to put a big space in between the two gifs so you can look at them one at a time

                                        dotdotdot

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                                        • jeff hammondJ Offline
                                          jeff hammond
                                          last edited by

                                          @unknownuser said:

                                          I think that image can help those with 'one direction only' find a way to switch.

                                          i think these modifications can really help those seeing only one direction (via the site susan linked to)

                                          counter clockwise

                                          http://ofb.net/~whuang/imgs/spin/spin-ccw.gif

                                          clockwise

                                          http://ofb.net/~whuang/imgs/spin/spin-cw.gif

                                          dotdotdot

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                                          • S Offline
                                            sorgesu
                                            last edited by

                                            Works for me now, though the first one is apt to change direction for a moment.

                                            I was looking to see the differences in the direction of the rings in the background and or the darkness. I honestly cannot see the difference. What am I missing?

                                            PS> "me?" ????

                                            Susan Sorger
                                            Former Seller Hand Rendered Entourage
                                            Former Canadian Authorized Training Centre, SketchUp

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