One of the most common ways to keep people's attention on the internet nowadays is with a Find the Difference puzzle, which is also called a spot-the-difference puzzle.
In order to find solutions to these problems fast, meticulous attention to detail is required.
Regular practise of such challenges can have positive effects on mental health and focus in people of all ages.
The picture up there shows two lion cubs having fun.
Just fifteen seconds are given to readers to identify the three key differences between the two images.
Readers will require superb focus to discern the distinctions between the two images, which might be extremely subtle or blatant.
Performing such tasks may activate regions of the brain that are involved in memory and focus, according to research.