【TEDed】为什么我们会思乡怀旧？Why do we feel nostalgia？

[视频作者] TEDed野生字幕君

[视频时长] 8:20

[视频类型] 社科·法律·心理

https://www.ed.ted.com Nostalgia was once considered an illness confined to specific groups of people. Today, people all over the world report experiencing and enjoying nostalgia. But how does nostalgia work? And is it healthy?