Lobe (brain) - Definition

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In mammals, the brain is composed of two hemispheres, each one made up of several different lobes that carry out different functions. There are four external lobes and two internal. The external lobes include the frontal lobe, responsible for voluntary motor coordination, the temporal lobe, which controls the senses of hearing and smelling, the parietal lobe, which controls the sense of touch, and the occipital lobe, which contains the visual centers of the brain. The internal lobes are the limbic and central, also called the insula cortex.