Mentally challenging optical illusions test your perception and observation skills.
These problems help scientists learn how the brain processes visual information.
Creative thinking and cognitive enhancement are also possible with optical illusions.
Regular practice improves memory and problem-solving.Congratulations on finding the unusual mouse—you have the sharpest eyes and the most attention to detail.
Try more optical illusion challenges from our recommended reading below if you liked this one.The image above shows a mouse emoji grid.
A mouse in the picture is different.Readers must find the mouse in 5 seconds.
The most visually gifted readers can spot the unusual mouse faster.Review the image before time runs out.