Body Atlas

The Big Three · Brain

Which part of the brain does the thinking?

The big wrinkled part — thought, sensation and voluntary movement.

The simple answer

The part everyone pictures when they picture a brain — the big wrinkled dome — is the cerebrum. It's by far the largest structure, and it handles thinking, sensing, language, planning and deliberate movement.

Go deeper

There's more: the big wrinkled part — thought, sensation and voluntary movement. The full explanation — and the interactive version you can tap and quiz yourself on — lives in the app.

Explore this concept in Body Atlas →

Body Atlas is an educational product. It does not provide diagnosis, treatment, or personal medical advice. · Privacy