…experiments showed this enhanced focus also seemed to be reflected in their ability to hold their attention and ignore distraction: when they were asked to quickly search for shapes in a grid, for instance, they were less easily distracted by the movements of other objects on the screen. In fact, they appeared to be the most focused of any groups previously studied.
Leading to the observation that –
…even the most basic aspects of our perception – which you may assume to be hardwired in the brain – are shaped by our culture and surroundings.
David Robson in BBC.