In particular, they increase the amount of norepinephrine, a neurotransmitter that's responsible for just general arousal.

具体来说,安非他命会引起,去甲肾上腺素释放量的增加,去甲肾上腺素,是种负责一般性唤醒的神经递质

耶鲁公开课 - 心理学导论课程节选

And so, amphetamines include drugs like "Speed" and "Coke."

安非他命类药物包括了,"快快"和"可口"

耶鲁公开课 - 心理学导论课程节选

Amphetamines increase the amount of arousal.

安非他命可以增强唤醒的程度

耶鲁公开课 - 心理学导论课程节选