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 ...

The human brain, as the seat of mental life—from the most complicated intellectual processes down to routine and unconscious bodily control—is necessarily enormously complex. The largest part of the ...

Non-humans also demonstrate laterality of function, in which one side of the body has different “specialisations” than the other. This lateralisation occurs because brain areas responsible for those ...