Motor Cortex: The region of cerebral cortex that controls the action of the body's voluntary muscles.
運動皮層：大腦皮層中控制身體隨意肌活動的區域。
Motor Neuron: Neuron that carries messages away from the central nervous system toward the muscles and glands.
運動神經元：將信息從中樞神經系統傳遞到肌肉和腺體的神經元。
Myelin Sheath: Insulating material that surrounds axons and increases the speed of neural transmission.
髓鞘：包裹着軸突並提高神經傳輸速度的絕緣材料。
Narcolepsy: A sleep disorder characterized by an irresistible compulsion to sleep during the daytime.
突發性睡眠症：以白天無法抵抗的強制的睡眠爲特徵的睡眠障礙。