The classic map of how the human brain manages movement gets an update
Three small regions unexpectedly connect to a network known for planning and pain perception
![An illustration of a blue person from the shoulders up with their head turned in profile and the outline of their brain. There are several different colored lines following the contour of the person.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/04/041823_nb_motor-cortext_feat.jpg?fit=1030%2C580&ssl=1)
A new brain-mapping study tweaks what we know about how an area of the brain called the primary motor cortex controls our movements.
Sara Moser/Washington University