When you practice optical illusions on a regular basis, you can improve your memory and problem-solving abilities,
and you'll also increase your cognitive abilities and stimulate your brain to think creatively.
Optical illusions are mind-bending images that test your perception and observation skills.
The aforementioned photograph showcases a living room environment for viewers to enjoy.
Finding the puppy in under four seconds is the reader's problem.
Take this challenge to see how good of an observer you are.
Readers with keen eyesight will have the best chance of seeing the dog first.