When under anesthesia, you can’t move, form memories, or — hopefully — feel pain. And while it might just seem like you are asleep for that time, you actually aren’t. What’s going on? Steven Zheng explains what we know about the science behind anesthesia.
View full lesson: http://ed.ted.com/lessons/how-does-anesthesia-work-steven-zheng
Lesson by Steven Zheng, animation by Zedem Media.