Overview of the experimental block design in the (a) auditory and (b) visual modality. Cue and probe stimuli were sound sweeps in the auditory modality represented as slanted lines on power spectrum plot (PSP) depictions, interference stimuli were tones shown as PSP straight lines. In the visual modality, cue and probe stimuli were random dot kinematograms (RDKs) undergoing translational motion, interference stimuli were swirling RDKs. Four tasks were presented in a delayed-recognition design in each modality: three were WM tasks (NI, DS and IS), while the fourth passive listening/ viewing task served as baseline (B). The encircled symbol in IS delay 2 represents the button press response required to the IS targets.