Final answer:
The corpus callosum unifies the two hemispheres of the brain and allows for communication and information sharing between them. In certain surgeries, the corpus callosum is cut, resulting in split-brain condition that provides insights into the unique functions of the two hemispheres.
Step-by-step explanation:
The corpus callosum unifies the two hemispheres of the brain. It is a thick bundle of axons that allows for communication and information sharing between the left and right hemispheres. It connects each point in the cerebrum to its mirror-image point in the opposite hemisphere.
Although the functions of the two hemispheres are largely redundant, the corpus callosum plays a crucial role in facilitating the exchange of information between them. In certain surgeries to treat severe epilepsy, the corpus callosum is cut, resulting in a condition known as split-brain. This condition provides insights into the unique functions of the two hemispheres, such as the specialization of language processing in the left hemisphere and the holistic processing abilities of the right hemisphere.