Fig. 2From: Brain reserve contributes to distinguishing preclinical Alzheimer’s stages 1 and 2Bilateral volumes of the CA1 subfield (in mm3) in asymptomatic individuals and those with SCD. Aß42/40 positive asymptomatic individuals (stage 1) have larger CA1 subfields (p = 0.014) than asymptomatic and Aß42/40 neg. For SCDs, those that are amyloid-positive (stage 2) have smaller CA1 volumes than those that are amyloid-negative. Stage 1 individuals have larger CA1 volumes than stage 2 individuals (p < 0.001). Box and whisker plots show median (thick horizontal lines), minimum and maximum values (lower and upper end of whiskers), and outliers (circle, star). Whiskers below each box show the first quartile range and those above the fourth quartile range of dataBack to article page