Fig. 6From: Effects of prebiotic galacto-oligosaccharide on postoperative cognitive dysfunction and neuroinflammation through targeting of the gut-brain axisEffects of B-GOS on gut microbiota. (a) Absolute quantification of Bifidobacterium levels. (b) Alpha diversity of the fecal microbiome. (c) Principal coordinate analysis. (n = 5 per group). **P < .01. C = control group, S = surgery group, SG = surgery + B-GOS groupBack to article page