Sensory and motor contents are prioritized dynamically in working memory
Fig 6
Time–frequency activity difference in informative vs. noninformative (neutral) trials in sensors contralateral to the first- and second-prioritized locations and actions.
(a, c) Difference in time–frequency activity in occipital (PO7/PO8) channels contralateral to the first-prioritized location (a) and second-prioritized location (c) in informative trials vs. noninformative trials (expressed as a percentage). (b, d) Difference in time–frequency activity in central (C3/C4) channels contralateral to the first-prioritized action (b) and second-prioritized action (d) in informative trials vs. noninformative trials (expressed as a percentage). (e) Cross-participant average alpha (8−12 Hz) activity difference between informative and noninformative trials (%). Burgundy: channels contralateral to the first-prioritized location. Pink: channels contralateral to second-prioritized location. (f) Cross-participant average mu/beta (8−30 Hz) activity difference between informative and noninformative trials (%). Dark green: channels contralateral to the first-prioritized action. Light green: channels contralateral to second-prioritized action. Black outline in time–frequency spectra indicates statistically significant clusters (a–d). Shaded areas represent the SEM and cluster-permutation corrected significant time points are indicated with horizontal lines in e and f (N = 30). The first part of the time–frequency spectra in panels a–d and of the time course in e and f (−0.2–1.2 s) corresponds to the average of short and long trials, and the second part (1.2–3.2 s) corresponds to long trials only. The vertical dotted lines represent (from left to right) the onset (0 s) and offset (0.2 s) of the retro-cue and the time of probe appearance in early trials (1.2 s). The data in this figure can be found in OSF under data/eeg/trf [52].