What happens when we experience negative emotions is that our consciousness, our thinking narrows and constricts.

体验消极情绪时,我们的意识，我们的思维变得狭窄，收紧。

哈佛公开课 - 幸福课课程节选

So my consciousness narrows and constricts, and I'm in the "fight or flight" mode.

我的意识变得狭窄，收紧，进入“对抗或逃跑“模式。

哈佛公开课 - 幸福课课程节选