Fig. 2.

Representation of the significant interactions between domain, decade and sex effects (left) and between difficulty, decade and sex (right) effects on d-prime values, determined by the Tukey test. The numbers correspond to the age range of each decade. The lines indicate differences between sexes, domains, difficulties and decades. For all significant differences between the sexes, men had higher levels of discrimination than women. Additionally, performance was superior in all verbal and 1-back tasks relative to visuospatial and 2-back tasks, respectively