Multimodal asymmetries of the mean (A), variance (B), kurtosis (C), and skewness (D) in LTLE (red boxes) and RTLE (green boxes). Boxplots extend between 25th and 75th percentile of the data, the central line indicates the median value. Whiskers extend to the most extreme non-outlier data point (outliers values = 1.5 × interquartile range value). The main dataset consists in data from A, the extended dataset consists in data from A–B–C–D. Asterisks mark significant group differences (Wilcoxon tests) after multiple comparison correction.