translation.en: It turned out that all we need to do is basically to let the brain form a memory, and then the brain will tell us which cells are involved in that particular memory.
translation.zh: 事实上我们只需要 让大脑自己生成一段记忆， 然后大脑会告诉我们哪些脑细胞 参与了这一段记忆的组成。