Fig. 3.

Summary of regional language lateralisation in control participants across the eight ROIs using the three language tasks. A, mean laterality curves (solid lines) and their associated 95% confidence intervals (dashed lines, plotted as mean minus 1.65 standard deviations). The different language tasks can give rise to different valid LI ranges, resulting in curves of different lengths within a given ROI. Note that ROIs differ in volume. B, boxplots of LInorm (increasingly positive/negative indicates increasingly left/right lateralised). Within each “box” the central line indicates the median value, the edges indicate the 25th and 75th percentiles, and the whiskers extend to the most extreme data points not considered outliers (which are plotted as crosses).