A. Self-action (left) and other’s action (right) during the role-reversal task. B. Schematic illustration of responses of a neuron with its spatial representations of self-action and other’s action ...

You're standing at a bus stop, waiting for a ride that seems like it will never come. At first, you're hopeful that it will be here any second. But as the minutes laggardly drag on, doubt creeps in.

For more than a century, maps of the brain have been based on how brain tissue looks under the microscope. These anatomical ...