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 ...

Your brain ventricles are four fluid-filled chambers that produce cerebrospinal fluid. This fluid helps nourish your brain and protect it from injury. It would be easy to argue that your brain is the ...

Add Yahoo as a preferred source to see more of our stories on Google. How you process language is influenced by how each side of your brain developed in early life. Peter Dazeley/The Image Bank via ...