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The tricky thing in this illusion is that there is no spiral at all. They are concentric circles. Don't believe us? Try from the last circle. Then slowly move down to the center and you will be flabbergasted. The reason why our mind perceives it as spiral is the triangular stripes background that is merging in the center. Due to their mergence, we perceive even the concentric circles to be merging at the center and thus our brain produces the information of a spiral.

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You will find that when you read it aloud in a go, you will miss the fact that there are two 'The' written in between In and Hand. But you do will realize that if you look closely. The reason is that our brain fails to recognize the double word due to the placement of the words. This is the reason why the Pyramid shape was chose for the illusion.

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You can see that it appears like both of the fingers are in a straight line and they are pointing on the same point. But when we meet the diagonals, you can see that they are not. The finger A is pointing a bit above from the center point. Surprising right?

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It is perfectly alright if you were not able to. The thing is that sometimes, our mind conflicts with the abundance of information that is provided to it. In this image, the color does not fits with the description. Our mind now knows and recognize all the colors. This is the reason when you come across a color with a different description that suggests another color, our mind is not able to produce the final result in a flow. This might not happen with all but happen with most of the people.

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