Building Reality · Brain
Damage signals are input; pain is the brain's decision.
Pain does not travel up from your finger. Nerve endings send damage signals, but pain itself is produced by your brain after weighing those signals — which is why the same injury can hurt very differently depending on the situation.
There's more: damage signals are input; pain is the brain's decision. The full explanation — and the interactive version you can tap and quiz yourself on — lives in the app.
Body Atlas is an educational product. It does not provide diagnosis, treatment, or personal medical advice. · Privacy