This amazing optical illusion will challenge your visual perception ... camouflaged in the background. Your challenge is to spot all three of them within nine seconds. Can you manage?

This illusion tests contrast sensitivity, which measures how well we can distinguish between objects and their backgrounds ..

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This optical ... this illusion is trickier than it appears. Need a hint? Here's one: Focus on the top right corner of the image. The cat is hidden against the background, making it challenging ...

Optical illusions like this aren’t just fun; they also have amazing benefits for your brain ... The cat is hidden against the background, making it difficult to spot at first.