(A) Correlation between CT and mean number of voice breaks in the STG. (B) Diagram visually summarizing core genotypic and phenotypic alterations in CT and FA measures. CT, cortical thickness; FA, fractional anisotropy; STG, superior temporal gyrus; SCR, superior corona radiata; CC, corpus callosum; SMA, supplementary motor area; SLF, superior longitudinal fasciculus; MTG, middle temporal gyrus.