MLM analysis of personality profile at domain level: (A) First Eigen-component (P <0.05) and (B) the associated spatial distribution within the search volume of interest for GMV; (C) First Eigen-component (P <0.05) and (D) the associated spatial distribution within the search volume of interest for GMMD. Abbreviations: Neuro, neuroticism; Extra, extraversion; Open, openness; Agree, agreeableness; Consc, conscientiousness. Y axis is an arbitrary unit (AU).