To supplement what our eyes can detect, our brains often fill in the blanks to give us a full sensory picture of our environment.
One of the simplest ways to gauge brain activity is with optical illusion visuals, which are intentionally misleading.
Visual illusions have also been utilized by neuroscientists to investigate the brain's reality perception processes.
Some research suggests that completing optical illusion puzzles on a regular basis can help people become more creative thinkers and problem solvers.
Feel free to share this optical illusion challenge with your loved ones and compete to see who can solve it the quickest.
Make sure you check out the additional challenges in the recommended reading area below before you go.
The reader's ability to quickly identify the dog will depend on how perceptive they are.