"Mental dexterity" refers to the ability to think quickly and adapt to different situations. It is about being flexible and nimble-minded when solving problems or facing challenges. Full definition
The most popular games are not simply difficult in the sense of challenging manual dexterity; they challenge mental dexterity as well. (discovermagazine.com)
Highly involved fathers also contribute to increased mental dexterity in children, increased empathy, less stereotyped sex role beliefs and greater self - control. (fatherhood.gov)
More than 70 percent of video games contain no more bloodshed than a game of Risk, and are popular because they challenge mental dexterity. (discovermagazine.com)