That Word You Heard: Corpus Callosum

Millions of nerve fibers connect the hemispheres of the cerebrum.

By Lacy Schley
May 2, 2016 5:00 AMNov 12, 2019 6:20 AM
Chad Edwards


Sign up for our email newsletter for the latest science news

Latin for “tough body,” this mass of more than 200 million nerve fibers helps connect the left and right hemispheres of the cerebrum, our brain’s largest and uppermost section. This connection allows the two hemispheres to communicate more efficiently. And while there’s been much debate over whether or not women have bigger corpora callosa, there’s evidence that musicians may have the edge: Researchers have found that starting musical training before the age of 7 can boost connectivity in this brain area.

1 free article left
Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

1 free articleSubscribe
Discover Magazine Logo
Want more?

Keep reading for as low as $1.99!


Already a subscriber?

Register or Log In

More From Discover
Recommendations From Our Store
Shop Now
Stay Curious
Our List

Sign up for our weekly science updates.

To The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Copyright © 2024 Kalmbach Media Co.