Rob van Lier & Mark Vergeer Filling in the afterimage after the image BEST VISUAL ILLUSION CONTEST 2008 This presentation should be viewed in powerpoint.

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Presentation transcript:

Rob van Lier & Mark Vergeer Filling in the afterimage after the image BEST VISUAL ILLUSION CONTEST 2008 This presentation should be viewed in powerpoint Presentation Mode The presentation runs automatically (do not push the arrow buttons on your keyboard) © van Lier & Vergeer

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Same image, two different afterimages! © van Lier & Vergeer

Same image, two different afterimages! Please, fixate at the black dot.. © van Lier & Vergeer

Same image, two different afterimages! © van Lier & Vergeer

Same image, two different afterimages! Next: two contours in succession © van Lier & Vergeer

Same image, two different afterimages! © van Lier & Vergeer

Different afterimage colors at the same retinal location! © van Lier & Vergeer

A few more examples.. © van Lier & Vergeer

A sequence of contours… © van Lier & Vergeer

It also works for surfaces defined by illusory contours.. © van Lier & Vergeer

Same image, two different afterimages! Please, fixate at the tiny black dot.. © van Lier & Vergeer

Same image, two different afterimages! © van Lier & Vergeer

More afterimage filling-in Please fixate at the red dot.. © van Lier & Vergeer

Now with a grey patch, covering part of the colored image.. © van Lier & Vergeer

Now with an additional oval outline on the grey image (fixate at the red dot) © van Lier & Vergeer

Afterimage colors spread and mix between contours © van Lier & Vergeer

The end © van Lier & Vergeer

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