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 ...

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 ...

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 ...