Around the world, 10.6 percent of people are left-handed. Handedness is a form of so-called functional brain asymmetry: left-right differences in brain function. In left-handers, the right motor ...

Have you ever wondered whether left-handers are better at mirror-writing than right-handers? Several studies have investigated this question.

Lateralization of the brain—the tendency for the left and right hemispheres to specialize in different functions—underlies the development of a left-to-right mental number line, according to a study ...