translation.en: SR: For example, one group in our lab was able to find the brain cells that make up a fear memory and converted them into a pleasurable memory, just like that.
translation.zh: 史蒂夫：例如，我们实验室的一个研究小组 发现了生成恐惧记忆的相关脑细胞， 并使它们产生愉快记忆。