The brain does processing and then ship onto the motor output stages.

大脑进行加工,然后进入运动输出阶段。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Recently, researchers at the Institute of Neurology at University College London stimulated the brains of human subjects to push the brain toward beta band frequencies associated with focus to study the effects on motor processing, with the hope of helping those with Parkinson's disease.

WSJ: Bionic Brains and Beyond

This is done by examining the combined concentration of gray and white matter, or nerve cells and fiber tracts, in parts of the brain not normally used for verbal processing the hippocampus and cerebellum, normally associated with memory and motor learning.

WSJ: Wise Beyond Their Years: What Babies Really Know