Spot-the-Difference Challenge Tests Focus Under Time Pressure

This article gives readers a picture puzzle to solve.

The two pictures show a man reading beside a fireplace.

They look almost the same, but five small things are different.

Readers are told to find the changes before the timer ends.

The article suggests looking at the pictures carefully and in an organized way.

A psychologist says puzzles can make people focused and excited.

A time limit can make the challenge feel more competitive.

Solving the puzzle can make people feel proud and satisfied.

The answers are supposed to appear in a later edition.