There is a (pun intended) kink in this method of processing visual information however, which arises in the form of an illusion in the ... cusp of smooth versus zig-zag, we’ll err on the side ...

To demonstrate the new phenomenon, Dr Takahashi designed an optical illusion which appears to consist of pairs of dashed wavy lines and zig-zags, lain over a white, grey and black background.

The illusion is described and explained in the journal i-Perception, and has been dubbed "curvature blindness". In the image, you see multiple pairs of zig-zag and curved lines with three ...

Can you spot an old woman or a young girl hidden in this Century Old Optical Illusion? The challenge is to spot what’s hiding in the image in between the zig-zag lines, which will tell if you ...