eli5: How come our eyes immediately think the Scottish flag as white stripes instead of blue triangles? How come this occurs for some images and for others it doesn’t (like the flag of england?)

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[Click here to see the flag](https://en.wikipedia.org/wiki/Flag_of_Scotland#/media/File:Flag_of_Scotland.svg)

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Anonymous 0 Comments

The brain does weird processing.

https://www.illusionsindex.org/i/kanizsa-triangle

We see a triangle but there’s not really one there.
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