Figure 5.

(A) Inverse efficiency scores (IES) for congruent (black) and incongruent trials (grey) of visual (left) and auditory (right) task blocks. Significant differences (*** p < 0.001) between congruent and incongruent trials show the well-known Stroop effect. (B) Inverse efficiency scores (IES) for current congruent (left) and current incongruent trials (right) following congruent (black) or incongruent (grey) previous trials. The comparison within current incongruent trials marks the so-called Gratton effect (IES for previous incongruent < previous congruent trials; p < 0.05). (C) Inverse efficiency scores (IES) for the TBS placebo/sham (black, round endings) and TBS verum condition (grey, diamond endings) for incongruent following congruent (left) and incongruent following incongruent (right) trials (both conditions significantly differed only for placebo stimulation: t₂₁ = 2.71, p < 0.01 one-sided, 0.05 two-sided = “Gratton effect”). Error bars indicate the standard error (SE).