Quick — say aloud what color you see in every word, NOT the word you read.
Go from left to right, from top to down. Ready. Set. Go!
Not easy, right? This task is called the Stroop Test, and is used in neuropsychological evaluations to measure mental vitality and flexibility, since performing well requires strong attention, inhibition and self-regulation capability (also called executive functions).
Next brain teaser in SharpBrains’ top 25 series:
- #2. You say you can count? Check out this brief attention experiment