Figure 11. ERP waveforms (N=17) to the audio-visual stimuli presented consistently with the same speech sound and symbol (blue line, learnable c tegory) or inconsistently with the speech-symbol pairs (red line, non-learnable cat gory). Each block represents consecutive 10 minute exposures to the stimulation. The grey box represents the approximate time window for the difference between the stimulus categories given by the cluster-based permutation statistics (the number ref s to the cluster number). Vertical marks represent 2 µV, horizontal marks 100 ms, negativity is plotted up.
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