physiological abilities, such as their visual processing speed and the way their brains fill in gaps with assumptions and prior knowledge.

Are you up for the challenge? In just eleven seconds, can you find the hidden bird in this scene?

View the image below and see how good an observer you are. Best of luck!

Seek out outliers in the larger picture; the bird may not conform to the typical toucan shape, which will make it stick out.

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The processes of visual processing and cognitive thinking can be better understood by investigating how our brains perceive visual inputs.

As a kind of entertainment, optical illusions captivate viewers with their illusions of perception and cause them to doubt their own perceptions.

Put your eyesight to the test in the ultimate Optical Illusion Challenge!

Hidden within the word "Node" lies the word "Note," and you have just nine seconds to find it.

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