Fig. S2.

Time course of word categorical sensitivity in each single electrode of P2 measured by sensitivity index d′ (mean d′ plotted against the beginning of the 100-ms sliding window). The classifier uses time-windowed ERP signal from a single electrode (window length = 100 ms) as input features (see Methods for details). SEs of cross-validations are shaded gray. Horizontal red line indicates significance threshold. Horizontal gray line indicates chance level (d′ = 0). Electrodes 3 and 4 were the contact of interest for further analysis in P2 because electrode 1 was noncontiguous with the other word-sensitive electrodes and medial to the fusiform.