That map of the primary motor cortex — the motor homunculus — shows how this brain region is divided into sections assigned to each body part that can be controlled voluntarily (SN: 6/16/15).

The motor homunculus is a funny-looking fellow with a hulking thumb, delicate toes and a tongue that wags below his head. His body parts and proportions stem from decades-old experiments that ...

The homunculus’ hand showed the expected connections to the hand region in the other half of the brain, as did the relevant areas of the motor cortex that control movement of the foot and mouth.

Textbook homunculus diagram depicts how the brain controls individual body parts — the revamp could improve treatments for brain injury.

Quirks and Quarks 54:02 Sharks that hold their breath, 2000 year old condor nest, why deer don’t get Lyme disease, redrawing the motor homunculus and new vaccine technologies for the next pandemic ...