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Showing posts with label Visual Perception. Show all posts
Showing posts with label Visual Perception. Show all posts

Tuesday, February 4, 2014

Scintillating Scotoma

February 04, 2014 0
A scintillating scotoma is an optical effect related to migraines, where a glowing aura forms in the visual field, like a shimmering ring or...
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Wednesday, August 14, 2013

Haidinger's Brush

August 14, 2013 0
Haidinger's Brush is a a visual effect that happens within the eye, an entoptic phenomenon, like floaters.The effect appears on computer screens and blank...
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Thursday, March 7, 2013

Color Afterimages

March 07, 2013 0
Here's an optical illusion GIF that I created to demonstrate color afterimages. Bring your face close, turn up your screen brightness, and stare at the...
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Saturday, March 2, 2013

Brain scans of artists while drawing

March 02, 2013 0
In a previous post we learned  that artists scan the world differently than non-artists do.What about the neural activity inside the brain during...
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Friday, February 22, 2013

Animated cube-snake

February 22, 2013 0
(Direct link to YouTube) Chris Carlson created this chalk drawing animation showing virtual cubes moving in a snakelike fashion as they chase after...
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