Figure 4

Quantitative TBM analysis. Values of the average deviation for each of three mTBI groups for each of the two masked regions specified by the icons above the bar graphs. (A) Positive deviation/swelling. (B) Negative deviation/shrinkage. Note the pattern of symmetrical regions of swelling at the pontine/medulla junction and shrinkage in the mid-pontine zone. The dashed bars in B represent the absolute values of the negative deviations, used for the assessment of the unsigned interactions between the two zones of interest in Table 1. Non-Ph mTBI: yellow; mild-Ph mTBI: blue; severe-Ph mTBI: purple. Error bars represent one standard error of the means. Asterisks: significant two-tailed at p < 0.05 with the Benjamini-Hochberg correction for false discovery at 0.95.