Standardised correlation coefficients and proportion of variance accounted for by regression analyses with sound stimuli as criterion variables and cognitive measures, gender and performance in the amplitude condition as predictor variables.

Note: CFIT - Culture Fair Intelligence Test, ReadSpan – Reading Span test, SimonCost – incongruent minus congruent RT in the Simon test, Ltotal – number of foreign languages ever learned, L2Rating – mean self-rating for reading, writing, speaking and comprehending in the first L2, L3Rating - mean self-rating for reading, writing, speaking and comprehending in the second L2 (if there was no L3 this variable was set to 0), MusRat – self rating of musical abilities, HandCons – consistency of handedness as assessed by the Edinburgh Handedness Inventory, Sex – dummy-coded with 0 for men and 1 for women ***p