The time course of the influence of valence and arousal on the implicit processing of affective pictures.

Three-way repeated measures ANOVA of Valence by Arousal by Hemisphere on P2b latencies ( Table 3 ) revealed a marginally significant main effect of Arousal ( F (1, 20) = 4.50, p = .047, η 2 p = .18), and a three-way interaction of Valence, Arousal, and Hemisphere ( F (1, 20) = 4.45, p = .048, η 2 p = .18), such that the latencies for high arousing negative pictures were shorter than those for low arousing negative pictures over the left hemisphere.

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