All About the Corpus Callosum

The corpus callosum, or callosal commissure, connects the left side of your brain to the right side. Each side is known as a hemisphere, and the connection allows information to pass between the two halves. Corpus callosum is Latin for “tough body.” It’s the largest connective pathway in the brain, as it’s made up of more than 200 million nerve fibers. Very occasionally, a person will be born without a callosal commissure, also known as the agenesis of the corpus callosum. This causes many different physical and behavioral symptoms. Each side of the brain controls movement and feeling in the…