It seems like you may have a few typographical errors in your query. If you're referring to the "function" of the corpus callosum, then here is your answer: The corpus callosum is a broad band of nerve fibers found in the brain. It serves as the primary connection between the left and right hemispheres of the brain. Its primary function is to facilitate communication between the two hemispheres, allowing for the integration and coordination of their respective functions such as sensory perception, motor control, and cognitive processing.