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. 2012 Jan 5;7(1):e29867. doi: 10.1371/journal.pone.0029867

Figure 11. Dopamine tissue content in aging.

Figure 11

Both bar graph (A) and individual points with line designating group mean (B) are shown to demonstrate the individual test subject variance in relation to the mean in the nigrostriatal pathway. Striatum: (ANOVA, p = 0.62, ns). Substantia nigra: (ANOVA, p = 0.0017, F = 12.9, post-hoc: 6 months vs. 18 months, *p<0.01; 6 months vs. 24 months, *p<0.01). Nucleus accumbens: (ANOVA, p = 0.08, ns). Ventral tegmental area: (ANOVA, p<0.0001, F = 27.8, post-hoc: 6 months v 18 months, *p<0.001, 6 months v 24 months, *p<0.001).