Older adults who play digital puzzle games have the same memory abilities as people in their 20s, a study has shown. The study also found that adults aged 60 and over who play digital puzzle games had a greater ability to ignore irrelevant distractions, but older adults who played strategy games did not show the same improvements in memory or concentration. It is known that as humans age, their mental abilities tend to decrease, particularly the ability to remember a number of things at a single time—known as working memory. "It instead seems to be the strategy elements of the...