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 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.

In the left-handed participants, the two halves of the brain - the left and right hemispheres - were better connected and more co-ordinated in regions involved in language. The researchers ...