translation.en: But in patients with Alzheimer's disease, amyloid-beta builds up and aggregates in the spaces between the brain's cells, instead of being cleared away like it's supposed to be, and it's this buildup of amyloid-beta that's thought to be one of the key steps in the development of that terrible disease.
translation.zh: 但是患有老年痴呆症的人 在他们脑细胞的间隙中 淀粉样β蛋白生成，聚集， 不能被及时清除。 淀粉样β蛋白的累积 是形成这种疾病的 关键步骤。 所以我们测量了大脑在清醒状态下