Your nerves transmit messages within the brain, as well as among the brain, spinal cord, and the body. In order to do this, they use a combination of electrical and chemical signaling. Motor neurons ...

Stroke and spinal cord injuries can severely impair motor functions, and understanding how to promote recovery is a critical challenge. While damaged neurons in the brain and spinal cord have limited ...

When a movement that has already been initiated must be suddenly stopped, a “hyperdirect” subthalamic nucleus pathway is called upon to override the primary motor control systems of the cerebral ...

Brain-robot interfaces — apparatuses where brain activity controls the movements of a robotic device that supports a hand or limb — show promise in rehabilitating paralyzed stroke patients. Yet the ...