If it decides yes, your brain's motor cortex, a small area that exists on the outer part of your brain, calls for messages to be sent through your spinal cord and down your arm to the muscles that ...

The human brain, as the seat of mental life—from the most complicated intellectual processes down to routine and unconscious bodily control—is necessarily enormously complex. The largest part ...

Wilder Penfield, a pioneering brain surgeon, mapped the motor cortex using mild electric current ... Penfield applied electric currents to the surface of patients' brains in order to find problem ...

These two hemispheres make up the cerebral cortex. This controls most of our senses, intelligence, personality, conscious thought and high-level functions, such as language and verbal memory.