Only 1% of people can notice the difference in this image.

The psychology of puzzles

This particular puzzle plays on our brain’s tendency to recognize patterns. When we see a grid full of the letters “n,” our brain quickly forms a pattern and expects it to continue. This makes it difficult to spot the subtle differences that indicate an “m.” The challenge is to slow down and carefully examine each character, forcing the brain to shift from automatic pattern recognition to conscious observation.

The answer and what it says about you

If you managed to identify all the “m’s,” congratulations! This indicates that you have excellent eyesight and excellent concentration. For those who found the task difficult, this could be a sign that it’s worth paying closer attention and slowing down in situations where details are crucial.