What general anaesthetic reveals about our brains

General anaesthetics make surgery possible without awareness, but scientists still do not fully understand how they work. Studies of brain communication and patients’ responses during surgery are offering clues about consciousness.

全身麻醉让患者在没有意识的情况下接受手术，但科学家仍未完全弄清它如何起作用。对大脑区域之间信息交流以及患者术中反应的研究，正为理解意识提供线索。