Figure 6

Task and Stimulus effects between 150 and 250 ms. N170 (a) at PO9 and VPP (b) at C2 for the 6 conditions. In green: VOICE task, in red: FACE task, in black: BOTH task. Solid lines: congruent stimuli; dashed lines: incongruent stimuli. c) Effects of task between 170 and 220 ms; the two-way ANOVA was significant in frontal regions. Bottom: The maps represent the absolute differences between two conditions where post-hoc tests were significant. Non-significant data are represented in grey. d) Modulation of brain activity due to the stimuli between 180 ms and 230 ms for congruent and incongruent stimuli. Left map shows the significant F-values between 180 ms and 230 ms for the factor "stimulus" (non-significant F-values are represented in grey) and the right map shows the difference between topography to congruent and incongruent stimuli (scale: -1 1).