In the study, scientists used two groups of mice, one healthy and the other genetically modified to develop Alzheimer 's-like symptoms, including memory loss.

在研究中，科学家们将小白鼠分成两组，一组是健康的对照组而另一组则通过转基因技术使其呈现阿尔茨海默氏症患者的症状，包括记忆力丧失。