The human brain includes two hemispheres connected by a bundle of nerves. The left hemisphere controls movement for the right side of the body, while the right hemisphere directs the left side. The ...

Some of the most complex cognitive functions are possible because different sides of your brain control them. Chief among them is speech perception, the ability to interpret language. In people, the ...

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 ...