The great majority of fibers connecting the two hemispheres travel through the corpus callosum, which is over 10 times larger than the anterior commissure, and other routes of communication pass through the hippocampal commissure or, indirectly, via subcortical connections.
Many of the fibers connecting the brain's two hemispheres travel through the corpus callosum, which is much larger than the anterior commissure. Other communication routes involve the hippocampal commissure or, indirectly, via subcortical connections.