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Fig. 3 | BioMedical Engineering OnLine

Fig. 3

From: The effects of semantic congruency: a research of audiovisual P300-speller

Fig. 3

ERP comparisons between incongruent and congruent paradigm. a Shows the spatio-temporal distribution of p values (FDR), the x-axis represents time and the y-axis represents the channels. The comparison of non-target stimuli is on the left and target stimuli is on the right side of the figure. All plots share the same color scale shown at the middle bottom of a. White represents p > 0.05, deep blue indicates p < 0.01, and light blue represents 0.01 < p < 0.05. b Describes the grand-averaged ERP waveforms of CZ, POZ, and FC6 of 11 participants, with non-target stimuli on the left and target stimuli on the right side of b. The incongruent paradigm evoke dERPs are colored red, and the congruent paradigm evoke ERPs are colored blue

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