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

Test your visual power with this captivating optical illusion! This puzzle is designed to challenge even those with perfect 6 ...

Only the most observant detectives can crack this case! You have just 7 seconds to find the hidden cat lurking amongst a group of adorable dogs in this mind-bending optical illusion.

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.

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 ...