Fig. 1

Summary of gut microbial communities in each group. a Alpha diversity of the microbial community in each group (n = 5–6). b Intragroup β-diversity of the microbial community in each group, as measured by unweighted UniFrac distance (n = 5–6). c, d Relative abundances of predominant bacteria at the family level in each sample and group (n = 5–6). CON, control groups; NOISE, noise-exposed groups; WT, wild-type mice; APP/PS1, APP/PS1 transgenic mice