How does this work? Stare at the red dot and see the woman in full color on the wall

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I have no idea how to describe this, let alone create an understandable headline for this story. Just follow the instructions.

Instructions:

  1. Stare at the red dot on the woman’s nose for 30 seconds
  2. Turn your eyes towards the wall/roof or somewhere else on a plain surface
  3. As soon as you move your head, start blinking your eyes quickly.

14 replies
  1. Dimsdale
    Dimsdale says:

    Well, it has to do with what is called color opponency in the retina.? What you are seeing is called a complementary color after image.? In that picture, you are effectively looking at a color negative.? It is like staring at a red square for a while and seeing a green square after image on a white wall.? In a nutshell, the cone cells (color receptors) in the retina are set up to maximize contrast, which cells around them help do by emphasizing opposite colors.? When you stare for a long time at one thing, the cone cells of different color sensitivity get “tired” of that color and leave the complementary, or opposite color in predominance.? Since you are already looking at a negative, what is left is the positive image.
    ?
    Yeah, I know.? That isn’t very helpful, but it is explainable!? I just need a hour or two of your time and a blackboard!? 🙂

  4. gillie28
    gillie28 says:

    Ok, that is officially FREAKY whatever Dims’s impressive, technical explanation – which, when?I read, glazed my eyes over so the picture disappeared!!!!

  6. Lynn
    Lynn says:

    Dims didn’t get a word you said. However, I saw only black and white which is what I usually see in this world.

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