In particular, the limbic system (loosely, the system of emotions and memory) is very active, but the parts of the frontal lobes that are involved in rational thought are subdued.

• 但我们现在知道，麻醉剂与某些膜蛋白结合，因而干扰各种神经过程，没有任何单一机制会让意识停止运作。