The paperclip illusion

Gavin Buckingham – “The paperclip illusion

Author description: This illusion makes straight diagonal lines overlaid atop a grip appear bent, or kinked, like a paperclip. It is particularly strong in peripheral vision, and varies depending on the thickness and contrast of the various elements in the images. It is unclear exactly how the illusion works, but it might show us something about how the human visual system segregates distinct elements (e.g., individual lines) of complicated images.

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