translation.en: But once in a while, things don't go so well, and there's trouble in these circuits, and there are some rogue neurons that are misfiring and causing trouble, or sometimes they're underactive and they're not quite working as they should.
translation.zh: 但偶尔也会出现问题， 回路会出现故障， 一些异常的神经细胞就就会失效，造成问题， 或者有的时候，神经细胞不够活跃， 没有达到预期功能，