In research published in the journal Neuron, scientists measured neuron activity in the brains of monkeys making planned and unplanned motions to reach out and touch a screen target. Researchers found that neurons reacted differently when the monkeys anticipated touching the targets than when they did not. "[T]hese new findings will lead to better brain-controlled prosthetic arms and communication systems for people with paralysis," said Stanford University professor Krishna Shenoy.

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