So, what they do is what's called, "Systematic desensitization," which is they expose you to what causes you the fear but they relax you at the same time so you replace the aversive classical conditioned fear with something more positive.

治疗的方法叫做“系统脱敏疗法“,也就是将你暴露在引起恐惧的情境下,但同时让你放松,所以你用更加积极的感觉,替换了经典条件作用造成的厌恶性恐惧。

耶鲁公开课 - 心理学导论课程节选

In fact, we'll talk about that concept throughout the course because one of the big challenges of making these sort of new biological therapies work in people to treat diseases is getting the right molecules into the right cells, at the right period of time.

实际上,我们会讲到一个,贯穿这门课程的概念,因为为了治疗疾病,而采用的新型生物学疗法,所面临的一个大问题就是,如何将正确的分子在适当的时候,转进正确的细胞当中

耶鲁公开课 - 生物医学工程探索课程节选