To supplement what our eyes can detect, our brains often fill in the blanks to give us a full sensory picture of our environment. This is known as perception.
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.
Readers are challenged to identify the bird within four seconds. This exercise will test your eyesight.
Readers with keen eyesight will have the upper hand when it comes to spotting the bird.
Pay close attention to every part of the image; maybe this time you'll be lucky.