A brain test using optical illusions: in just seven seconds, only the sharpest observers will be able to identify the number one hundred out of 108.

[{"selector":"#anim-5993dd36-c356-496a-88dc-b90e0e5708d4 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-46.630859279002955%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Enter the fascinating realm of optical illusions and see how perception and deceit intertwine .

We put our visual processing and cognitive abilities to the test when we encounter optical illusions.

[{"selector":"#anim-04b05464-d6d2-4158-a613-7ed3adf480d5 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-34.179687404002955%, 0, 0) translate(-25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] The attempt to find the number 100 in a cluster of 108 in just 7 seconds is an especially interesting task that arises in this complex dance of sight.

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Paying close attention and quickly deciphering the subtle clues that differentiate the hidden numeral are both required by the visual complexity of the trick.

[{"selector":"#anim-d9db0e58-8828-4f92-96b6-33058cdc25d3 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-34.179687404002955%, 0, 0) translate(-25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] This cognitive exam measures both visual acuity and speed of thought.

[{"selector":"#anim-9238c915-fd7d-402a-a67c-46bf0ccd2ec2 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(34.179687404002955%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Immerse yourself in a world where illusion meets reality as you play with optical illusions.

[{"selector":"#anim-7495b6c7-041c-4f5c-8726-8dba250bddf5 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-20.70312490400296%, 0, 0) translate(-25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] The intriguing relationship between the visual system and the brain is on full display in these entertaining visual puzzles.

A brain test using optical illusions: in just seven seconds, only the sharpest observers will be able to identify the number one hundred out of 108.

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