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  3. This illusion was new to me.

This illusion was new to me.

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  • solitha@mastodon.socialS solitha@mastodon.social

    @TrueNorthSpice @itgrrl It can be about your electronics, too. I can see the effect on my new monitor, but not on my old one.

    truenorthspice@mastodon.worldT This user is from outside of this forum
    truenorthspice@mastodon.worldT This user is from outside of this forum
    truenorthspice@mastodon.world
    wrote sidst redigeret af
    #53

    @solitha @itgrrl

    You may have a valid point, my laptop is 14 years old

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    • danpiker@mathstodon.xyzD danpiker@mathstodon.xyz

      This illusion was new to me. Does whichever dot you look at turn more purple?

      Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.

      https://www.schulz-hildebrandt.com/9-purple-dots-illusion/

      https://arxiv.org/abs/2509.11582

      bodhipaksa@mastodon.scotB This user is from outside of this forum
      bodhipaksa@mastodon.scotB This user is from outside of this forum
      bodhipaksa@mastodon.scot
      wrote sidst redigeret af
      #54

      @Danpiker This worked for me. Sometimes two or three dots on the same row would appear purple. If I keep my focus fixed on one dot the others often disappear.

      (MacBook Pro monitor.)

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      0
      • danpiker@mathstodon.xyzD danpiker@mathstodon.xyz

        This illusion was new to me. Does whichever dot you look at turn more purple?

        Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.

        https://www.schulz-hildebrandt.com/9-purple-dots-illusion/

        https://arxiv.org/abs/2509.11582

        vayllarkinpoet@disabled.socialV This user is from outside of this forum
        vayllarkinpoet@disabled.socialV This user is from outside of this forum
        vayllarkinpoet@disabled.social
        wrote sidst redigeret af
        #55

        @Danpiker I had the same issue as others, of being unable to look Only at one dot. When I stopped trying and just let my vision kind of skate between them though, they All started turning purple, which was cool. (Will mention I have both visual processing junk and non-Blind visual disabilities, but maybe anyone who switched focus often enough would get this?) ... Now I'm trying to figure out how to determine the periodic exposure necessary to maintain purple for all, oh no! ...rolls nerdily off

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        • danpiker@mathstodon.xyzD danpiker@mathstodon.xyz

          This illusion was new to me. Does whichever dot you look at turn more purple?

          Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.

          https://www.schulz-hildebrandt.com/9-purple-dots-illusion/

          https://arxiv.org/abs/2509.11582

          fembot@mstdn.socialF This user is from outside of this forum
          fembot@mstdn.socialF This user is from outside of this forum
          fembot@mstdn.social
          wrote sidst redigeret af
          #56

          @Danpiker

          The longer I look at a particular dot the more the other dots disappear completely into the blue background, although that last remaining dot doesn't turn more purple.

          If I look at the whole field I can also see faint green shadow dots that move as I move my eyes, and which also disappear into the background. 👀

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          • danpiker@mathstodon.xyzD danpiker@mathstodon.xyz

            This illusion was new to me. Does whichever dot you look at turn more purple?

            Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.

            https://www.schulz-hildebrandt.com/9-purple-dots-illusion/

            https://arxiv.org/abs/2509.11582

            atif@mathstodon.xyzA This user is from outside of this forum
            atif@mathstodon.xyzA This user is from outside of this forum
            atif@mathstodon.xyz
            wrote sidst redigeret af
            #57

            @Danpiker works on phone, but not on pc! (night light turned off)

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            0
            • danpiker@mathstodon.xyzD danpiker@mathstodon.xyz

              This illusion was new to me. Does whichever dot you look at turn more purple?

              Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.

              https://www.schulz-hildebrandt.com/9-purple-dots-illusion/

              https://arxiv.org/abs/2509.11582

              dasgrueneblatt@wien.rocksD This user is from outside of this forum
              dasgrueneblatt@wien.rocksD This user is from outside of this forum
              dasgrueneblatt@wien.rocks
              wrote sidst redigeret af
              #58

              @Danpiker wtf

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              0
              • danpiker@mathstodon.xyzD danpiker@mathstodon.xyz

                This illusion was new to me. Does whichever dot you look at turn more purple?

                Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.

                https://www.schulz-hildebrandt.com/9-purple-dots-illusion/

                https://arxiv.org/abs/2509.11582

                samikki@mastodontti.fiS This user is from outside of this forum
                samikki@mastodontti.fiS This user is from outside of this forum
                samikki@mastodontti.fi
                wrote sidst redigeret af
                #59

                @Danpiker What is cool that I don't see the effect with my blue-mirrored transition glasses but can see without.

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                • danpiker@mathstodon.xyzD danpiker@mathstodon.xyz

                  This illusion was new to me. Does whichever dot you look at turn more purple?

                  Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.

                  https://www.schulz-hildebrandt.com/9-purple-dots-illusion/

                  https://arxiv.org/abs/2509.11582

                  irina@wandering.shopI This user is from outside of this forum
                  irina@wandering.shopI This user is from outside of this forum
                  irina@wandering.shop
                  wrote sidst redigeret af
                  #60

                  @Danpiker All the dots look purplish to me anyway. Perhaps very very slightly.

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                  0
                  • danpiker@mathstodon.xyzD danpiker@mathstodon.xyz

                    This illusion was new to me. Does whichever dot you look at turn more purple?

                    Pretty neat how clearly this lets you see the reduced sensitivity to blue light in the very centre of your vision.

                    https://www.schulz-hildebrandt.com/9-purple-dots-illusion/

                    https://arxiv.org/abs/2509.11582

                    ellenb@mastodon.socialE This user is from outside of this forum
                    ellenb@mastodon.socialE This user is from outside of this forum
                    ellenb@mastodon.social
                    wrote sidst redigeret af
                    #61

                    @Danpiker Yep, immediately. Do I have a super power?

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                    • mhwombat@mastodon.socialM mhwombat@mastodon.social

                      @Danpiker For me, the dot that I'm looking at doesn't change, but the remaining dots fade into the background.

                      P This user is from outside of this forum
                      P This user is from outside of this forum
                      passwordsarehard4@mastodon.social
                      wrote sidst redigeret af
                      #62

                      @mhwombat @Danpiker mine as well. Eventually even the center dot disappears and it’s just a hazy purple background.

                      1 Reply Last reply
                      0
                      • jwcph@helvede.netJ jwcph@helvede.net shared this topic
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