The corpus callosum corresponds to a leaf-shaped structure, being a group of nerve fibers that join both hemispheres of the brain (right and left). This structure is formed by axons covered with myelin, which make up the white substance. The functions of the corpus callosum are: transmission of information to both hemispheres, participation in vision (in eye movement), learning, information processing. When performing surgery on the corpus callosum, syneresis, comprehension disorders may occur