The Weird Professor

Myths · 2026-10-12

You DON'T use just 10% of your brain

The Professor says

You only use 10% of your brain.

Fact Check

You use all of it. Brain scans show activity across the whole brain over a day, and even during sleep many regions stay busy. Damage to almost any part of the brain has effects, which would not be true if 90% sat idle.

Sources

Scientific American (neurologists Barry Gordon, Johns Hopkins, and John Henley, Mayo Clinic)

Made with AI. The characters are fiction. The facts are checked.