By studying the mechanisms through which anesthetics achieve these end points, many groups, including my own at the University of Toronto, are beginning to tease those effects apart.

• 许多研究团队（包括笔者于加拿大多伦多大学的团队在内）藉著研究麻醉药造成这些麻醉状态的机制，而厘清了药物的作用。